(1)the ossicle attached to the eardrum
(2)鼓膜に結びついている小骨
(3)a hand tool with a heavy rigid head and a handle; used to deliver an impulsive force by striking
(4)重く頑丈な頭と柄のついた手道具
(5)叩いて衝撃力を与えるのに用いる