- Anatomy. the bone of the forearm on the side opposite to the thumb.Compare radius(def 7).
- a corresponding bone in the forelimb of other vertebrates.
Origin of ulna
Examples from the Web for ulnar
Historical Examples of ulnar
The ulnar articular facet is to be snipped off with bone-pliers.
The ulnar, both of which ought to be rather to the inside of the artery.
Ulnar was short and squat, his cheeks were flat, his nose hooked.
As he spoke, Ulnar grunted a single sound that set the girl into motion.
He was moving with Rozeno and Ulnar through another opening.
- the inner and longer of the two bones of the human forearm
- the corresponding bone in other vertebrates
Word Origin for ulna
inner bone of the forearm, 1540s, Latin, literally "elbow;" related to Old English eln (see elbow (n.)).
- The larger bone of the two bones of the forearm, extending from elbow to wrist on the side opposite the thumb.cubitus elbow bone
- The longer of the two bones of the forearm or lower portion of the foreleg. See more at skeleton.