finback(redirected from finbacks)
Also found in: Thesaurus.
See fin whale.
(Animals) another name for rorqual
any baleen whale of the genus Balaenoptera, esp. B. physalus, having a prominent dorsal fin; rorqual.Also called fin′back whale′, fin whale.
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|Noun||1.||finback - large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific|
rorqual, razorback - any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin