the jaw; specif.,
- the lower jaw of a vertebrate
- either of a pair of biting jaws of an insect or other arthropod
- either jaw of a beaked animal, as a cephalopod
Origin of mandibleOld French ; from Late Latin mandibula ; from mandibulum, a jaw ; from Classical Latin mandere, to chew ; from Indo-European base an unverified form menth-, to chew from source mouth
- 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.
Origin of mandibleMiddle English, from Old French, from Late Latin mandibula, from Latin mandere, to chew.