砧骨
Incus \In"cus\, n. [L., anvil.] 1. An anvil. 2. (Anat.) One of the small bones in the tympanum of the ear; the anvil bone. See {Ear}. 3. (Zo["o]l.) The central portion of the armature of the pharynx in the Rotifera.
incus n : the ossicle between the malleus and the stapes [syn: {anvil}] [also: {incudes} (pl)]