砧骨 Traditional form: 砧骨 Pinyin (reading): zhēngǔ Definitions: incus or anvil bone of middle ear, passing sound vibration from malleus hammer bone to stapes stirrup bone Characters: 砧 - anvil, flat stone 骨 - bone; skeleton; frame, framework Traditional characters: 砧 - anvil, flat stone 骨 - bone; skeleton; frame, framework