- 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
1835–45; < Latin: elbow; akin to Greek ōlénē, Old English eln ell2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for 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
C16: from Latin: elbow, ell 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for ulnar
inner bone of the forearm, 1540s, Latin, literally "elbow;" related to Old English eln (see elbow (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
- 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 American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The longer of the two bones of the forearm or lower portion of the foreleg. See more at skeleton.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.