thresher
1. a farm machine for separating seeds or grain from the husks and straw • Syn: thrasher, threshing machine • Derivationally related forms: thrash (for: thrasher), thresh • Hypernyms: farm machine 2. large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed • Syn: thrasher, thresher shark, fox shark, Alopius vulpinus • Hypernyms: shark • Member Holonyms: Alopius, genus Alopius
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