incus

in·cus

noun \ˈiŋ-kəs\

plural in·cu·des \iŋ-ˈkyüd-(ˌ)ēz, ˈiŋ-kyə-ˌdēz\

Definition of INCUS

: 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

Illustration of INCUS