ulna
ul·na
noun \ˈəl-nə\ plural ul·nae\-nē\ or ulnas
Definition of ULNA
: the bone on the little-finger side of the human forearm; also : a corresponding part of the forelimb of vertebrates above fishes
— ul·nar \-nər, -ˌnär\ adjective
See Origin of ULNA
New Latin, from Latin, elbow — more at ell
First Known Use: 1541
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