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<link:loc xlink:type="locator" xlink:href="wvit-20120501.xsd#wvit_w500035Member"
xlink:label="w500035Member"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member"
xlink:from="PerformanceMeasureDomain"
xlink:to="w500035Member"
order="23.0"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended"
xlink:role="http://xbrl.sec.gov/rr/role/PerformanceMeasure">
<link:loc xlink:type="locator"
xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#rr_PerformanceMeasureDomain"
xlink:label="PerformanceMeasureDomain"/>
<link:loc xlink:type="locator" xlink:href="wvit-20120501.xsd#wvit_snp2035Member"
xlink:label="snp2035Member"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member"
xlink:from="PerformanceMeasureDomain"
xlink:to="snp2035Member"
order="24.0"/>
</link:definitionLink>
</link:linkbase>