<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoXBRL; Version: 5.3a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: http://www.novaworks.co -->
    <!-- Field: Doc-Info; Name: Source; Value: hhhhu%2D20191231.xfr; Date: 2020%2D03%2D10T05:33:01Z -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x80030008 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/DocumentAndEntityInformation" xlink:href="hhhhu-20191231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/BalanceSheets" xlink:href="hhhhu-20191231.xsd#BalanceSheets" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/BalanceSheetsParenthetical" xlink:href="hhhhu-20191231.xsd#BalanceSheetsParenthetical" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/StatementsOfOperations" xlink:href="hhhhu-20191231.xsd#StatementsOfOperations" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/StatementsOfChangesInShareholdersEquity" xlink:href="hhhhu-20191231.xsd#StatementsOfChangesInShareholdersEquity" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/StatementOfChangesInShareholdersEquityParenthetical" xlink:href="hhhhu-20191231.xsd#StatementOfChangesInShareholdersEquityParenthetical" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/StatementOfCashFlows" xlink:href="hhhhu-20191231.xsd#StatementOfCashFlows" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/DescriptionOfOrganizationAndBusinessOperations" xlink:href="hhhhu-20191231.xsd#DescriptionOfOrganizationAndBusinessOperations" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="hhhhu-20191231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/InitialPublicOffering" xlink:href="hhhhu-20191231.xsd#InitialPublicOffering" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/PrivatePlacement" xlink:href="hhhhu-20191231.xsd#PrivatePlacement" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/RelatedPartyTransactions" xlink:href="hhhhu-20191231.xsd#RelatedPartyTransactions" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/PromissoryNote" xlink:href="hhhhu-20191231.xsd#PromissoryNote" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/Commitments" xlink:href="hhhhu-20191231.xsd#Commitments" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/ShareholdersEquity" xlink:href="hhhhu-20191231.xsd#ShareholdersEquity" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/FairValueMeasurements" xlink:href="hhhhu-20191231.xsd#FairValueMeasurements" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/SubsequentEvents" xlink:href="hhhhu-20191231.xsd#SubsequentEvents" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="hhhhu-20191231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPoliciesTablesUsd" xlink:href="hhhhu-20191231.xsd#SummaryOfSignificantAccountingPoliciesTablesUsd" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/FairValueMeasurementsTables" xlink:href="hhhhu-20191231.xsd#FairValueMeasurementsTables" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/DescriptionOfOrganizationAndBusinessOperationsDetails" xlink:href="hhhhu-20191231.xsd#DescriptionOfOrganizationAndBusinessOperationsDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:href="hhhhu-20191231.xsd#SummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPoliciesDetailsTextual" xlink:href="hhhhu-20191231.xsd#SummaryOfSignificantAccountingPoliciesDetailsTextual" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/InitialPublicOfferingDetails" xlink:href="hhhhu-20191231.xsd#InitialPublicOfferingDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/PrivatePlacementDetails" xlink:href="hhhhu-20191231.xsd#PrivatePlacementDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/RelatedPartyTransactionsDetails" xlink:href="hhhhu-20191231.xsd#RelatedPartyTransactionsDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/PromissoryNoteDetails" xlink:href="hhhhu-20191231.xsd#PromissoryNoteDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/CommitmentsDetails" xlink:href="hhhhu-20191231.xsd#CommitmentsDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/ShareholdersEquityDetails" xlink:href="hhhhu-20191231.xsd#ShareholdersEquityDetails" xlink:type="simple" />
    <link:roleRef roleURI="http://wealthbridgeacquisitionlimited.com/role/FairValueMeasurementsDetails" xlink:href="hhhhu-20191231.xsd#FairValueMeasurementsDetails" xlink:type="simple" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll" arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/DocumentAndEntityInformation" xlink:title="00000001 - Document - Document and Entity Information" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/BalanceSheets" xlink:title="00000002 - Statement - Balance Sheets" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/BalanceSheetsParenthetical" xlink:title="00000003 - Statement - Balance Sheets (Parenthetical)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/StatementsOfOperations" xlink:title="00000004 - Statement - Statements of Operations" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/StatementsOfChangesInShareholdersEquity" xlink:title="00000005 - Statement - Statement of Changes in Shareholders&apos; Equity">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaapStatementEquityComponentsAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementEquityComponentsAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaapCommonStockMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapCommonStockMember_0" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaapRetainedEarningsMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapRetainedEarningsMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaapStockholdersEquity_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockholdersEquity_40" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaapSharesOutstanding_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapSharesOutstanding_40" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodValueIssuanceOfOrdinarySharesToInitialShareholders" xlink:label="loc_HHHHUStockIssuedDuringPeriodValueIssuanceOfOrdinarySharesToInitialShareholders_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodValueIssuanceOfOrdinarySharesToInitialShareholders_40" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodSharesIssuanceOfOrdinarySharesToInitialShareholdersShares" xlink:label="loc_HHHHUStockIssuedDuringPeriodSharesIssuanceOfOrdinarySharesToInitialShareholdersShares_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodSharesIssuanceOfOrdinarySharesToInitialShareholdersShares_40" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodValueNewIssues1" xlink:label="loc_HHHHUStockIssuedDuringPeriodValueNewIssues1_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodValueNewIssues1_40" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodSharesNewIssues1" xlink:label="loc_HHHHUStockIssuedDuringPeriodSharesNewIssues1_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodSharesNewIssues1_40" xlink:type="arc" order="6" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodValuePrivateUnits" xlink:label="loc_HHHHUStockIssuedDuringPeriodValuePrivateUnits_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodValuePrivateUnits_40" xlink:type="arc" order="7" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodSharesPrivateOfUnits" xlink:label="loc_HHHHUStockIssuedDuringPeriodSharesPrivateOfUnits_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodSharesPrivateOfUnits_40" xlink:type="arc" order="8" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodValuePurchaseOfUnit" xlink:label="loc_HHHHUStockIssuedDuringPeriodValuePurchaseOfUnit_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodValuePurchaseOfUnit_40" xlink:type="arc" order="9" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodValue" xlink:label="loc_us-gaapStockRedeemedOrCalledDuringPeriodValue_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockRedeemedOrCalledDuringPeriodValue_40" xlink:type="arc" order="10" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodShares" xlink:label="loc_us-gaapStockRedeemedOrCalledDuringPeriodShares_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockRedeemedOrCalledDuringPeriodShares_40" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodValueChangInValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:label="loc_HHHHUStockIssuedDuringPeriodValueChangInValueOfOrdinarySharesSubjectToPossibleRedemption_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodValueChangInValueOfOrdinarySharesSubjectToPossibleRedemption_40" xlink:type="arc" order="12" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StockIssuedDuringPeriodSharesChangInValueOfOrdinarySharesSubjectToPossibleRedemptionShares" xlink:label="loc_HHHHUStockIssuedDuringPeriodSharesChangInValueOfOrdinarySharesSubjectToPossibleRedemptionShares_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUStockIssuedDuringPeriodSharesChangInValueOfOrdinarySharesSubjectToPossibleRedemptionShares_40" xlink:type="arc" order="13" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaapProfitLoss_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapProfitLoss_40" xlink:type="arc" order="14" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/StatementOfChangesInShareholdersEquityParenthetical" xlink:title="00000006 - Statement - Statement of Changes in Shareholders&apos; Equity (Parenthetical)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/StatementOfCashFlows" xlink:title="00000007 - Statement - Statements of Cash Flows" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/DescriptionOfOrganizationAndBusinessOperations" xlink:title="00000008 - Disclosure - Description of Organization and Business Operations" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPolicies" xlink:title="00000009 - Disclosure - Summary of Significant Accounting Policies" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/InitialPublicOffering" xlink:title="00000010 - Disclosure - Initial Public Offering" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/PrivatePlacement" xlink:title="00000011 - Disclosure - Private Placement" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/RelatedPartyTransactions" xlink:title="00000012 - Disclosure - Related Party Transactions" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/PromissoryNote" xlink:title="00000013 - Disclosure - Promissory Note" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/Commitments" xlink:title="00000014 - Disclosure - Commitments" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/ShareholdersEquity" xlink:title="00000015 - Disclosure - Shareholders&apos; Equity" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/FairValueMeasurements" xlink:title="00000016 - Disclosure - Fair Value Measurements" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/SubsequentEvents" xlink:title="00000017 - Disclosure - Subsequent Events" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:title="00000018 - Disclosure - Summary of Significant Accounting Policies (Policies)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPoliciesTablesUsd" xlink:title="00000019 - Disclosure - Summary of Significant Accounting Policies (Tables)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/FairValueMeasurementsTables" xlink:title="00000020 - Disclosure - Fair Value Measurements (Tables)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/DescriptionOfOrganizationAndBusinessOperationsDetails" xlink:title="00000021 - Disclosure - Description of Organization and Business Operations (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="loc_us-gaapSubsidiarySaleOfStockAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="loc_us-gaapOverAllotmentOptionMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapOverAllotmentOptionMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PrivatePlacementMember" xlink:label="loc_us-gaapPrivatePlacementMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapPrivatePlacementMember_20" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IPOMember" xlink:label="loc_us-gaapIPOMember_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapIPOMember_50" xlink:type="arc" order="51" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PrivatePlacement1Member" xlink:label="loc_HHHHUPrivatePlacement1Member_110" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_HHHHUPrivatePlacement1Member_110" xlink:type="arc" order="111" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_SponsorMember" xlink:label="loc_HHHHUSponsorMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUSponsorMember_20" xlink:type="arc" order="22" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_TrustAccountMember" xlink:label="loc_HHHHUTrustAccountMember_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUTrustAccountMember_40" xlink:type="arc" order="42" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ScienjoyIncMember" xlink:label="loc_HHHHUScienjoyIncMember_140" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUScienjoyIncMember_140" xlink:type="arc" order="141" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_DescriptionOfOrganizationAndBusinessOperationsTextualAbstract" xlink:label="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="loc_us-gaapSaleOfStockNumberOfSharesIssuedInTransaction_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_us-gaapSaleOfStockNumberOfSharesIssuedInTransaction_170" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_SaleOfStockNumberOfSharesIssuedInTransaction1" xlink:label="loc_HHHHUSaleOfStockNumberOfSharesIssuedInTransaction1_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUSaleOfStockNumberOfSharesIssuedInTransaction1_170" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="loc_us-gaapSaleOfStockPricePerShare_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_us-gaapSaleOfStockPricePerShare_170" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ProceedsFromIssuanceOfUnits" xlink:label="loc_HHHHUProceedsFromIssuanceOfUnits_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUProceedsFromIssuanceOfUnits_170" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:label="loc_us-gaapProceedsFromIssuanceInitialPublicOffering_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_us-gaapProceedsFromIssuanceInitialPublicOffering_170" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="loc_us-gaapProceedsFromIssuanceOfPrivatePlacement_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_us-gaapProceedsFromIssuanceOfPrivatePlacement_170" xlink:type="arc" order="6" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_GrossProceedsFromPublicOffering" xlink:label="loc_HHHHUGrossProceedsFromPublicOffering_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUGrossProceedsFromPublicOffering_170" xlink:type="arc" order="7" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:label="loc_us-gaapSaleOfStockConsiderationReceivedOnTransaction_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_us-gaapSaleOfStockConsiderationReceivedOnTransaction_170" xlink:type="arc" order="8" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherUnderwritingExpense" xlink:label="loc_us-gaapOtherUnderwritingExpense_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_us-gaapOtherUnderwritingExpense_170" xlink:type="arc" order="9" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_InitialOfferingCosts" xlink:label="loc_HHHHUInitialOfferingCosts_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUInitialOfferingCosts_170" xlink:type="arc" order="10" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_OtherCostsInPublicOffering" xlink:label="loc_HHHHUOtherCostsInPublicOffering_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUOtherCostsInPublicOffering_170" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_CashHeldOutsideOfTrustAccount" xlink:label="loc_HHHHUCashHeldOutsideOfTrustAccount_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUCashHeldOutsideOfTrustAccount_170" xlink:type="arc" order="12" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_MinimumNetTangibleAssetsToRequiredBusinessCombination" xlink:label="loc_HHHHUMinimumNetTangibleAssetsToRequiredBusinessCombination_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUMinimumNetTangibleAssetsToRequiredBusinessCombination_170" xlink:type="arc" order="13" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PercentageOfBalanceInTrustAccount" xlink:label="loc_HHHHUPercentageOfBalanceInTrustAccount_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUPercentageOfBalanceInTrustAccount_170" xlink:type="arc" order="14" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="loc_us-gaapBusinessAcquisitionPercentageOfVotingInterestsAcquired_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_us-gaapBusinessAcquisitionPercentageOfVotingInterestsAcquired_170" xlink:type="arc" order="15" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_UnderwritersDiscount1" xlink:label="loc_HHHHUUnderwritersDiscount1_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUUnderwritersDiscount1_170" xlink:type="arc" order="16" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfTrustAssetsToPayExpenses" xlink:label="loc_us-gaapProceedsFromSaleOfTrustAssetsToPayExpenses_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_us-gaapProceedsFromSaleOfTrustAssetsToPayExpenses_170" xlink:type="arc" order="17" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PublicSharesRedemptionPercentage" xlink:label="loc_HHHHUPublicSharesRedemptionPercentage_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUPublicSharesRedemptionPercentage_170" xlink:type="arc" order="18" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_AmountDepositedIntoTrustAccount" xlink:label="loc_HHHHUAmountDepositedIntoTrustAccount_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUAmountDepositedIntoTrustAccount_170" xlink:type="arc" order="19" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_DepositedIntoTrustAccountPerShare" xlink:label="loc_HHHHUDepositedIntoTrustAccountPerShare_170" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUDescriptionOfOrganizationAndBusinessOperationsTextualAbstract_170" xlink:to="loc_HHHHUDepositedIntoTrustAccountPerShare_170" xlink:type="arc" order="20" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:title="00000022 - Disclosure - Summary of Significant Accounting Policies (Details)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/SummaryOfSignificantAccountingPoliciesDetailsTextual" xlink:title="00000023 - Disclosure - Summary of Significant Accounting Policies (Details Textual)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/InitialPublicOfferingDetails" xlink:title="00000024 - Disclosure - Initial Public Offering (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="loc_us-gaapSubsidiarySaleOfStockAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IPOMember" xlink:label="loc_us-gaapIPOMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapIPOMember_0" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="loc_us-gaapOverAllotmentOptionMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapOverAllotmentOptionMember_20" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_UnderwritersMember" xlink:label="loc_HHHHUUnderwritersMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUUnderwritersMember_0" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_InitialPublicOfferingTextualAbstract" xlink:label="loc_HHHHUInitialPublicOfferingTextualAbstract_60" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUInitialPublicOfferingTextualAbstract_60" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="loc_us-gaapSaleOfStockNumberOfSharesIssuedInTransaction_60" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUInitialPublicOfferingTextualAbstract_60" xlink:to="loc_us-gaapSaleOfStockNumberOfSharesIssuedInTransaction_60" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="loc_us-gaapSaleOfStockPricePerShare_60" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUInitialPublicOfferingTextualAbstract_60" xlink:to="loc_us-gaapSaleOfStockPricePerShare_60" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockDescriptionOfTransaction" xlink:label="loc_us-gaapSaleOfStockDescriptionOfTransaction_60" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUInitialPublicOfferingTextualAbstract_60" xlink:to="loc_us-gaapSaleOfStockDescriptionOfTransaction_60" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="loc_us-gaapClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_60" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUInitialPublicOfferingTextualAbstract_60" xlink:to="loc_us-gaapClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_60" xlink:type="arc" order="4" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/PrivatePlacementDetails" xlink:title="00000025 - Disclosure - Private Placement (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="loc_us-gaapSubsidiarySaleOfStockAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="loc_us-gaapOverAllotmentOptionMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapOverAllotmentOptionMember_0" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PrivatePlacementMember" xlink:label="loc_us-gaapPrivatePlacementMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapPrivatePlacementMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_SponsorMember" xlink:label="loc_HHHHUSponsorMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUSponsorMember_0" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PrivatePlacementTextualAbstract" xlink:label="loc_HHHHUPrivatePlacementTextualAbstract_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUPrivatePlacementTextualAbstract_50" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="loc_us-gaapSaleOfStockNumberOfSharesIssuedInTransaction_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUPrivatePlacementTextualAbstract_50" xlink:to="loc_us-gaapSaleOfStockNumberOfSharesIssuedInTransaction_50" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="loc_us-gaapSaleOfStockPricePerShare_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUPrivatePlacementTextualAbstract_50" xlink:to="loc_us-gaapSaleOfStockPricePerShare_50" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="loc_us-gaapProceedsFromIssuanceOfPrivatePlacement_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUPrivatePlacementTextualAbstract_50" xlink:to="loc_us-gaapProceedsFromIssuanceOfPrivatePlacement_50" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="loc_us-gaapClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUPrivatePlacementTextualAbstract_50" xlink:to="loc_us-gaapClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_50" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockDescriptionOfTransaction" xlink:label="loc_us-gaapSaleOfStockDescriptionOfTransaction_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUPrivatePlacementTextualAbstract_50" xlink:to="loc_us-gaapSaleOfStockDescriptionOfTransaction_50" xlink:type="arc" order="5" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/RelatedPartyTransactionsDetails" xlink:title="00000026 - Disclosure - Related Party Transactions (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="loc_us-gaapSubsidiarySaleOfStockAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="loc_us-gaapOverAllotmentOptionMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapOverAllotmentOptionMember_20" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srtConsolidatedEntitiesAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_srtConsolidatedEntitiesAxis" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srtConsolidatedEntitiesDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtConsolidatedEntitiesAxis" xlink:to="loc_srtConsolidatedEntitiesDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srtConsolidatedEntitiesDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtConsolidatedEntitiesAxis" xlink:to="loc_srtConsolidatedEntitiesDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_WealthbridgeAcquisitionLimitedMember" xlink:label="loc_HHHHUWealthbridgeAcquisitionLimitedMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtConsolidatedEntitiesDomain" xlink:to="loc_HHHHUWealthbridgeAcquisitionLimitedMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaapStatementClassOfStockAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementClassOfStockAxis" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IPOMember" xlink:label="loc_us-gaapIPOMember_60" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapIPOMember_60" xlink:type="arc" order="61" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_KeenNiceCommunicationsLimitedMember" xlink:label="loc_HHHHUKeenNiceCommunicationsLimitedMember_60" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUKeenNiceCommunicationsLimitedMember_60" xlink:type="arc" order="62" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_StarJetCoMember" xlink:label="loc_HHHHUStarJetCoMember_180" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUStarJetCoMember_180" xlink:type="arc" order="182" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaapLongtermDebtTypeAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapLongtermDebtTypeAxis" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaapLongtermDebtTypeDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapLongtermDebtTypeAxis" xlink:to="loc_us-gaapLongtermDebtTypeDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaapLongtermDebtTypeDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapLongtermDebtTypeAxis" xlink:to="loc_us-gaapLongtermDebtTypeDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaapUnsecuredDebtMember_70" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLongtermDebtTypeDomain" xlink:to="loc_us-gaapUnsecuredDebtMember_70" xlink:type="arc" order="71" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PromissoryNoteMember" xlink:label="loc_HHHHUPromissoryNoteMember_110" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLongtermDebtTypeDomain" xlink:to="loc_HHHHUPromissoryNoteMember_110" xlink:type="arc" order="111" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="loc_us-gaapTypeOfArrangementAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapTypeOfArrangementAxis" xlink:type="arc" order="6" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapTypeOfArrangementAxis" xlink:to="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaapArrangementsAndNonarrangementTransactionsMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapTypeOfArrangementAxis" xlink:to="loc_us-gaapArrangementsAndNonarrangementTransactionsMember_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_AdministrativeServicesMember" xlink:label="loc_HHHHUAdministrativeServicesMember_80" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_HHHHUAdministrativeServicesMember_80" xlink:type="arc" order="81" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ServicesArrangementMember" xlink:label="loc_HHHHUServicesArrangementMember_180" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_HHHHUServicesArrangementMember_180" xlink:type="arc" order="181" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CurrencyAxis" xlink:label="loc_srtCurrencyAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_srtCurrencyAxis" xlink:type="arc" order="7" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_AllCurrenciesDomain" xlink:label="loc_HHHHUAllCurrenciesDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtCurrencyAxis" xlink:to="loc_HHHHUAllCurrenciesDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_AllCurrenciesDomain" xlink:label="loc_HHHHUAllCurrenciesDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtCurrencyAxis" xlink:to="loc_HHHHUAllCurrenciesDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_RelatedPartyTransactionsTextualAbstract" xlink:label="loc_HHHHURelatedPartyTransactionsTextualAbstract_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHURelatedPartyTransactionsTextualAbstract_210" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_210" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_210" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplit" xlink:label="loc_us-gaapStockholdersEquityNoteStockSplit_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockholdersEquityNoteStockSplit_210" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockSplits" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesStockSplits_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesStockSplits_210" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaapStockRepurchasedAndRetiredDuringPeriodShares_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockRepurchasedAndRetiredDuringPeriodShares_210" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PercentageOfIssuedAndOutstandingSharesOwn" xlink:label="loc_HHHHUPercentageOfIssuedAndOutstandingSharesOwn_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUPercentageOfIssuedAndOutstandingSharesOwn_210" xlink:type="arc" order="6" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="loc_us-gaapDebtInstrumentPeriodicPaymentPrincipal_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentPeriodicPaymentPrincipal_210" xlink:type="arc" order="7" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaapDebtInstrumentFaceAmount_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentFaceAmount_210" xlink:type="arc" order="8" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateTerms" xlink:label="loc_us-gaapDebtInstrumentInterestRateTerms_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentInterestRateTerms_210" xlink:type="arc" order="9" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentRepurchasedFaceAmount" xlink:label="loc_us-gaapDebtInstrumentRepurchasedFaceAmount_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentRepurchasedFaceAmount_210" xlink:type="arc" order="10" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="loc_us-gaapClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_210" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_AdvanceFromRelatedParty" xlink:label="loc_HHHHUAdvanceFromRelatedParty_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUAdvanceFromRelatedParty_210" xlink:type="arc" order="12" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_OutstandingAdvanceFromRelatedParty" xlink:label="loc_HHHHUOutstandingAdvanceFromRelatedParty_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUOutstandingAdvanceFromRelatedParty_210" xlink:type="arc" order="13" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PaymentForAdministrativeServicesArrangementPerMonth" xlink:label="loc_HHHHUPaymentForAdministrativeServicesArrangementPerMonth_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUPaymentForAdministrativeServicesArrangementPerMonth_210" xlink:type="arc" order="14" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_DescriptionOfPaymentForAdministrativeServices" xlink:label="loc_HHHHUDescriptionOfPaymentForAdministrativeServices_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUDescriptionOfPaymentForAdministrativeServices_210" xlink:type="arc" order="15" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaapAccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapAccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_210" xlink:type="arc" order="16" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_FeesForServices" xlink:label="loc_HHHHUFeesForServices_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUFeesForServices_210" xlink:type="arc" order="17" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_RelatedPartyTransactionDescriptionOfTransaction2" xlink:label="loc_HHHHURelatedPartyTransactionDescriptionOfTransaction2_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHURelatedPartyTransactionDescriptionOfTransaction2_210" xlink:type="arc" order="18" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesPayableRelatedPartiesClassifiedCurrent" xlink:label="loc_us-gaapNotesPayableRelatedPartiesClassifiedCurrent_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapNotesPayableRelatedPartiesClassifiedCurrent_210" xlink:type="arc" order="19" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_OutstandingPromissoryNoteRelatedParty" xlink:label="loc_HHHHUOutstandingPromissoryNoteRelatedParty_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUOutstandingPromissoryNoteRelatedParty_210" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_DeferredUnderwritingFeePayable" xlink:label="loc_HHHHUDeferredUnderwritingFeePayable_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUDeferredUnderwritingFeePayable_210" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_FounderSharesDescription" xlink:label="loc_HHHHUFounderSharesDescription_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUFounderSharesDescription_210" xlink:type="arc" order="22" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConvertibleNotesPayable" xlink:label="loc_us-gaapConvertibleNotesPayable_210" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapConvertibleNotesPayable_210" xlink:type="arc" order="23" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/PromissoryNoteDetails" xlink:title="00000027 - Disclosure - Promissory Note (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaapLongtermDebtTypeAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapLongtermDebtTypeAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaapLongtermDebtTypeDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapLongtermDebtTypeAxis" xlink:to="loc_us-gaapLongtermDebtTypeDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaapLongtermDebtTypeDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapLongtermDebtTypeAxis" xlink:to="loc_us-gaapLongtermDebtTypeDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaapUnsecuredDebtMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLongtermDebtTypeDomain" xlink:to="loc_us-gaapUnsecuredDebtMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PromissoryNoteTextualAbstract" xlink:label="loc_HHHHUPromissoryNoteTextualAbstract_30" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUPromissoryNoteTextualAbstract_30" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentOwnedBalancePrincipalAmount" xlink:label="loc_us-gaapInvestmentOwnedBalancePrincipalAmount_30" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapInvestmentOwnedBalancePrincipalAmount_30" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_BusinessCombinationDescription" xlink:label="loc_HHHHUBusinessCombinationDescription_30" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUBusinessCombinationDescription_30" xlink:type="arc" order="2" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/CommitmentsDetails" xlink:title="00000028 - Disclosure - Commitments (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_UnderwritersMember" xlink:label="loc_HHHHUUnderwritersMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUUnderwritersMember_0" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ScienjoyMember" xlink:label="loc_HHHHUScienjoyMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_HHHHUScienjoyMember_20" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_CommitmentsAndContingenciesTextualAbstract" xlink:label="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_DeferredFeePercentage" xlink:label="loc_HHHHUDeferredFeePercentage_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:to="loc_HHHHUDeferredFeePercentage_50" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:label="loc_us-gaapProceedsFromIssuanceInitialPublicOffering_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:to="loc_us-gaapProceedsFromIssuanceInitialPublicOffering_50" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_DescriptionOfRightOfFirstRefusal" xlink:label="loc_HHHHUDescriptionOfRightOfFirstRefusal_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:to="loc_HHHHUDescriptionOfRightOfFirstRefusal_50" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_PercentageOfMembershipInterestAcquired" xlink:label="loc_HHHHUPercentageOfMembershipInterestAcquired_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:to="loc_HHHHUPercentageOfMembershipInterestAcquired_50" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_CommonStockShares" xlink:label="loc_HHHHUCommonStockShares_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:to="loc_HHHHUCommonStockShares_50" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_CommonStockSharesHeldInEscrow" xlink:label="loc_HHHHUCommonStockSharesHeldInEscrow_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:to="loc_HHHHUCommonStockSharesHeldInEscrow_50" xlink:type="arc" order="6" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ShareExchangeAgreementDescription" xlink:label="loc_HHHHUShareExchangeAgreementDescription_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:to="loc_HHHHUShareExchangeAgreementDescription_50" xlink:type="arc" order="7" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_AdditionalShareExchangeAgreementDescription" xlink:label="loc_HHHHUAdditionalShareExchangeAgreementDescription_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUCommitmentsAndContingenciesTextualAbstract_50" xlink:to="loc_HHHHUAdditionalShareExchangeAgreementDescription_50" xlink:type="arc" order="8" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/ShareholdersEquityDetails" xlink:title="00000029 - Disclosure - Shareholders&apos; Equity (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="loc_us-gaapRelatedPartyTransactionAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapRelatedPartyTransactionAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="loc_us-gaapRelatedPartyTransactionDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionAxis" xlink:to="loc_us-gaapRelatedPartyTransactionDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="loc_us-gaapRelatedPartyTransactionDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionAxis" xlink:to="loc_us-gaapRelatedPartyTransactionDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ChardanHealthCareAcquisitionCorpMember" xlink:label="loc_HHHHUChardanHealthCareAcquisitionCorpMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyTransactionDomain" xlink:to="loc_HHHHUChardanHealthCareAcquisitionCorpMember_0" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="loc_us-gaapSubsidiarySaleOfStockAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapSubsidiarySaleOfStockAxis" xlink:to="loc_us-gaapSaleOfStockNameOfTransactionDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="loc_us-gaapOverAllotmentOptionMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapOverAllotmentOptionMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IPOMember" xlink:label="loc_us-gaapIPOMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapSaleOfStockNameOfTransactionDomain" xlink:to="loc_us-gaapIPOMember_20" xlink:type="arc" order="22" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="loc_us-gaapClassOfWarrantOrRightAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapClassOfWarrantOrRightAxis" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="loc_us-gaapClassOfWarrantOrRightDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapClassOfWarrantOrRightAxis" xlink:to="loc_us-gaapClassOfWarrantOrRightDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="loc_us-gaapClassOfWarrantOrRightDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapClassOfWarrantOrRightAxis" xlink:to="loc_us-gaapClassOfWarrantOrRightDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_WarrantsMember" xlink:label="loc_HHHHUWarrantsMember_30" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfWarrantOrRightDomain" xlink:to="loc_HHHHUWarrantsMember_30" xlink:type="arc" order="31" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ShareholdersEquityTextualAbstract" xlink:label="loc_HHHHUShareholdersEquityTextualAbstract_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaapCommonStockSharesIssued_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapCommonStockSharesIssued_100" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaapCommonStockSharesOutstanding_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapCommonStockSharesOutstanding_100" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockVotingRights" xlink:label="loc_us-gaapCommonStockVotingRights_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapCommonStockVotingRights_100" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_CommonStockSubjectToPossibleRedemption" xlink:label="loc_HHHHUCommonStockSubjectToPossibleRedemption_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_HHHHUCommonStockSubjectToPossibleRedemption_100" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ClassOfWarrantOrRighstWarrantsOrRightsExercisableTerm" xlink:label="loc_HHHHUClassOfWarrantOrRighstWarrantsOrRightsExercisableTerm_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_HHHHUClassOfWarrantOrRighstWarrantsOrRightsExercisableTerm_100" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_DescriptionOfWarrantsForRedemption" xlink:label="loc_HHHHUDescriptionOfWarrantsForRedemption_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_HHHHUDescriptionOfWarrantsForRedemption_100" xlink:type="arc" order="6" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_100" xlink:type="arc" order="7" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_100" xlink:type="arc" order="8" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesConversionOfUnits_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesConversionOfUnits_100" xlink:type="arc" order="9" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_AggregateExercisePrice" xlink:label="loc_HHHHUAggregateExercisePrice_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_HHHHUAggregateExercisePrice_100" xlink:type="arc" order="10" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" xlink:label="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_100" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="hhhhu-20191231.xsd#HHHHU_ExpensesRelatedToCashPayment" xlink:label="loc_HHHHUExpensesRelatedToCashPayment_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_HHHHUExpensesRelatedToCashPayment_100" xlink:type="arc" order="12" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_100" xlink:type="arc" order="13" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="loc_us-gaapSaleOfStockPricePerShare_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapSaleOfStockPricePerShare_100" xlink:type="arc" order="14" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_100" xlink:type="arc" order="15" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_100" xlink:type="arc" order="16" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaapSharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_100" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_HHHHUShareholdersEquityTextualAbstract_100" xlink:to="loc_us-gaapSharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_100" xlink:type="arc" order="17" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://wealthbridgeacquisitionlimited.com/role/FairValueMeasurementsDetails" xlink:title="00000030 - Disclosure - Fair Value Measurements (Details)">
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaapFairValueByMeasurementFrequencyAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapFairValueByMeasurementFrequencyAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaapFairValueMeasurementFrequencyDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapFairValueByMeasurementFrequencyAxis" xlink:to="loc_us-gaapFairValueMeasurementFrequencyDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaapFairValueMeasurementFrequencyDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapFairValueByMeasurementFrequencyAxis" xlink:to="loc_us-gaapFairValueMeasurementFrequencyDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaapFairValueMeasurementsRecurringMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFairValueMeasurementFrequencyDomain" xlink:to="loc_us-gaapFairValueMeasurementsRecurringMember_0" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaapFairValueByFairValueHierarchyLevelAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapFairValueByFairValueHierarchyLevelAxis" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapFairValueByFairValueHierarchyLevelAxis" xlink:to="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapFairValueByFairValueHierarchyLevelAxis" xlink:to="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaapFairValueInputsLevel1Member_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaapFairValueInputsLevel1Member_0" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="loc_us-gaapFinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapFinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_20" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecurities" xlink:label="loc_us-gaapMarketableSecurities_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_20" xlink:to="loc_us-gaapMarketableSecurities_20" xlink:type="arc" order="1" />
    </link:definitionLink>
</link:linkbase>
