Meaning of incus

in•cus

Pronunciation: (ing'kus), [key]
— pl. in•cu•des in•cus
  1. the middle one of a chain of three small bones in the middle ear of humans and other mammals. Cf. malleus, stapes. See diag. under
  2. Also calledthe spreading, anvil-shaped, upper portion of a mature cumulonimbus cloud, smooth or slightly fibrous in appearance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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