ulnas

Variant of ulna

noun pl. ulnae or ulnas

  1. the larger of the two bones of the forearm of humans, on the side opposite the thumb
  2. a corresponding bone in the forelimb of other land vertebrates

Origin: ModL < L, elbow: for IE base see ell

Related Forms:

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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