Pronunciation: (fin'bak"), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/finback.html on line 71 [key]
any baleen whale of the genus Balaenoptera, having a prominent dorsal fin, esp. B. physalus, of the Atlantic and Pacific coasts; rorqual: an endangered species. Also called fin'back whale', fin whale.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.