noun
mandible; lower jawbone
Anatomical term for the lower jawbone. Used in medical and biological contexts.
下顎骨は顔の中で唯一動く骨です。
The mandible is the only movable bone in the face.
General term for jawbone; 下顎骨 specifies the lower one.
Compound of 下 (lower) + 顎 (jaw) + 骨 (bone). A straightforward anatomical term.