Answer:

incus

Answer	Crossword Clue
INCUS	Ear's "anvil"
INCUS	Ear bone
INCUS	Bone in the middle ear

INCUS	Anvil bone of the ear.
INCUS	Small bone of the middle ear.
INCUS	Bone of the ear.
INCUS	Middle ear bone.
INCUS	Anvil of the ear
INCUS	Middle-ear bone
INCUS	Anvil
INCUS	Small bone of the middle ear

INCUS	Middle ear bone
INCUS	Ear bone also known as the anvil
INCUS	Middle ear part
INCUS	Anvil in the ear
INCUS	Bone in the ear
INCUS	Bone that's better known as the anvil