Incus

//ˈɪŋ.kəs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A small anvil-shaped bone in the middle ear.

    "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")."

  2. 2
    a small bone in the middle ear between the malleus and the stapes wordnet
  3. 3
    an accessory cloud, in the shape of an anvil which forms by spreading at the top of a cumulonimbus.

Example

More 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")."

Etymology

Borrowed from Latin incūs (“anvil”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.