英语释义
1. the middle bone of a chain of three small bones in the ear of a mammal — called also anvil — see ear illustration
2. the middle bone of the chain of three ossicles in the middle ear of a mammal resembling a premolar tooth with the body having a facet which articulates with the malleus and with the longer of the two widely separated crura having a process which articulates with the stapes — called also ambos, anvil