Other forms: jawbones
The jawbone is the bone that carries the lower teeth. A broken jawbone, the jawbone of an ass, the jawbone healed.
It is the only bone in the skull that moves and the strongest bone in the face. Because it survives well, a jawbone with its teeth is one of the most useful things a fossil hunter can find: the teeth alone can identify the species and the diet.
1nounjawboneThe bone that carries the lower teeth.
“The dentist's X-ray showed a small crack in her jawbone.”
jawbone is a bone.
Also accepted in games: mandible
Middle English jawe bone, replacing an older compound with the same meaning.
Middle English
jawe bone
English, today
jawbone
Built from
From Middle English jawe bone, a partial calque of earlier Middle English chawlbone, chawylbon, chavylbone, chawle boon, chavyl bon (“jaw bone”) literally “chavel bone”, see chavel-bone; equivalent to jaw + bone.
Etymology from Wiktionary, CC BY-SA