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
Rhymes with baleen
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BALEEN Defined for Kids
Definition of baleen for Students
: 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
Learn More about baleen
Britannica.com: Encyclopedia article about "baleen"
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