ulna
/ˈʌlnə/ noun
Forms ulnae ulnas
- noun (anatomy) The bone of the forearm that extends from the elbow to the wrist on the side opposite to the thumb, corresponding to the fibula of the hind limb. Also, the corresponding bone in the forelimb of any vertebrate.
Synonyms
Etymology
From Latin ulna (“elbow”). Doublet of ell.
Webster’s 1913
- noun The postaxial bone of the forearm, or branchium, corresponding to the fibula of the hind limb. See Radius.
- noun An ell; also, a yard. Burrill.
Etymology [L., the elbow. See Ell.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “ulna”, CC BY-SA 4.0. Details