ulna
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.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
ul·na
noun \ˈəl-nə\ (Medical Dictionary)plural ; ul·nae \-nē\ (audio pronunciation)or ; ul·nas
Medical Definition of ULNA
: the bone on the little-finger side of the human forearm that forms with the humerus the elbow joint and serves as a pivot in rotation of the hand
Illustration of ULNA
Learn More About ULNA
Seen & Heard 
What made you want to look up ulna? Please tell us where you read or heard it (including the quote, if possible).
