Mandible
English Meaning
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.
- The lower jaw of a vertebrate animal.
- Either the upper or lower part of the beak in birds.
- 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.