JAW

(BODY PART) [noun] [C] - the lower part of your face which moves when you open your moutha broken jawa punch (UK and ANZ) on/(US) in the jawHis jaw dropped (open) (= He looked very surprised) when I walked in.See picture: HeadIf you say someone has a strong/square jaw you mean that they look strong and determined.The upper jaw and lower jaw are the bones inside the mouth which hold the teeth.The jaw bone is the bone which forms the shape of the lower part of the face.