baleen

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noun ba·leen \bə-ˈlēn, ˈbā-ˌlēn\

Definition of baleen

  1. :  a horny keratinous substance found in two rows of transverse plates which hang down from the upper jaws of baleen whales

Origin and Etymology of baleen

Middle English baleine whale, baleen, from Latin balaena whale; akin to Greek phallaina whale


First Known Use: 14th century


BALEEN Defined for Kids

baleen

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noun ba·leen \bə-ˈlēn\

Definition of baleen for Students

  1. :  a tough material that hangs down from the upper jaw of whales without teeth and is used by the whale to filter small ocean animals out of seawater


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