baleen defined in 1951 yearbaleen - baleen;
baleen - Whalebone. Transverse plates of keratin, derived from epidermis, hanging from the upper jaw on each side of the mouth of the toothless whalebone whales (rorquals and right whales). Frayed inner edges form a filter, retaining the small animals on which the whale feeds.
near baleen in Knolik
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