Main Entry: ul·na

Pronunciation: \ˈəl-nə\

Function: noun

Inflected Form(s): plural ul·nae \-nē\ or ulnas

Etymology: New Latin, from Latin, elbow — more at ell

Date: 1541

: 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