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baleen

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baleen

noun ba·leen \bə-ˈlēn, ˈbā-ˌlēn\

Definition of BALEEN

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

Origin of BALEEN

Middle English baleine whale, baleen, from Latin balaena whale; akin to Greek phallaina whale
First Known Use: 14th century

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