incus

Definitions

1. A small anvil-shaped bone in the middle ear.
2. an accessory cloud, in the shape of an anvil which forms by spreading at the top of a cumulonimbus.

Equivalents

Examples

“The tympanic cavity is spanned by the three smallest bones in the body: the auditory ossicles[…] These bones, named for their shape⟳, are the malleus (malʹe-us; "hammer⟳"); the incus (ingʹkus; "anvil"); and the stapes (staʹpēz; "stirrup").”

CEFR level