nounWord forms: plural ˈulnae (ˈʌlni
; ulˈnē) or ˈulnas
2. a corresponding bone in the forelimb of other land vertebrates
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'ulna'
ModL < L, elbow: for IE base see ell2