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