from The Century Dictionary.

  • noun A finner or fin-whale.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) Any whale of the genera Sibbaldius, Balænoptera, and allied genera, of the family Balænopteridæ, characterized by a prominent fin on the back. The common finbacks of the New England coast are Sibbaldius tectirostris and S. tuberosus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A large baleen whale, Balaenoptera physalus, that has a ridge on its back; the fin whale.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific


from Wiktionary, Creative Commons Attribution/Share-Alike License

fin +‎ back


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  • "It the museum even had the skeleton of a finback whale that had washed up in the 1960s..."

    --Nathaniel Philbrick, In the Heart of the Sea: The Tragedy of the Whaleship Essex, 232

    May 1, 2008