ulna Hear it!

ulna definition

ulna (ul′nə)

noun pl. ulnae -·nae (-nē) or ulnas -·nas

  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

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

Related Forms:

  • ulnad ul′·nad (-nad) adverb
  • ulnar ul′·nar (-nər) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.