Incus

//ˈɪŋ.kəs// noun

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.

Etymology

Borrowed from Latin incūs (“anvil”).

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