from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The lower jaw of a vertebrate animal.
- n. Either the upper or lower part of the beak in birds.
- n. Any of various mouth organs of invertebrates used for seizing and biting food, especially either of a pair of such organs in insects and other arthropods.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The lower jaw, especially the lower jawbone.
- n. One of a pair of mouthparts of an arthropod designed for holding food.
from the GNU version of the Collaborative International Dictionary of English
- 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.
- n. The anterior pair of mouth organs of insects, crustaceaus, and related animals, whether adapted for biting or not. See Illust. of Diptera.
from The Century Dictionary and Cyclopedia
- n. In zoöl, and anatomy, a jaw-bone; a jaw, or the jaw-bone and associate parts; especially, the under jaw.
- n. In polyzoans, an operculum.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the jaw in vertebrates that is hinged to open the mouth
Middle English, from Old French, from Late Latin mandibula, from Latin mandere, to chew.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin mandibula. (Wiktionary)