01 n. The bone, or principal bone, of the lower jaw; the inferior maxilla; -- also applied to either the upper or the lower jaw in the beak of birds.
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1.
The bone, or principal bone, of the lower jaw; the inferior maxilla; -- also applied to either the upper or the lower jaw in the beak of birds.(Anat.)
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2.
The anterior pair of mouth organs of insects, crustaceaus, and related animals, whether adapted for biting or not. See Illust. of Diptera.(Zool.) See: Diptera