Mandible

[Sarah]

The bone, or principal bone, of the lower jaw; the inferiormaxilla; -- also applied to either the upper or the lower jaw in thebeak of birds.

[Sarah]

bone in the face - the one that your chin is attached to; lower jaw

[Sarah]

a mannish jawline found on a woman

[Sarah]

in a person or animal, the lower jaw bone

[Marquetta]

The jaw or a jawbone, especially the lower jawbone in mammals and fishes.