incus

An anvil-shaped bone between the malleus and the stapes in the mammalian middle ear.

A thunderhead.

In zoology and anatomy: One of the bones of the inner (middle) ear of a mammal: so named from its fancied resemblance to an anvil.

An anvil.

One of the small bones in the tympanum of the ear; the anvil bone. See Ear.

The central portion of the armature of the pharynx in the Rotifera.

A small anvil-shaped bone in the middle ear.

an accessory cloud, in the shape of an anvil which forms by spreading at the top of a cumulonimbus.

the ossicle between the malleus and the stapes