WordReference Random House Unabridged Dictionary of American English © 2026
ul•na  (ul′nə),USA pronunciation n., pl. -nae (-nē),USA pronunciation -nas. 
  1. Anatomythe bone of the forearm on the side opposite to the thumb. Cf. radius (def. 7). See diag. under skeleton. 
  2. Zoologya corresponding bone in the forelimb of other vertebrates.
  • Latin: elbow; akin to Greek ōlénē, Old English eln ell2
  • 1835–45
ul′nar, adj. 

'ulnar' also found in these entries (note: many are not synonyms or translations):
funny bone - pisiform - ulnar nerve

Forum discussions with the word(s) "ulnar" in the title:


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