ulna
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
1Other words from ulna
- ulnar, adjective
- post·ul·nar, adjective
Words Nearby ulna
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use ulna in a sentence
In birds the ulna supports the great feathers of the wing, and this may account for the size of the bone.
Dragons of the Air | H. G. SeeleyThe radius and ulna are parallel in the most natural position of supination.
Gunshot Roentgenograms | Clyde S. FordThis plate shows an attempt to wire the ulna in a clean wound.
Gunshot Roentgenograms | Clyde S. FordAfter this we soon find that land is occasionally measured by the iron ulna of the king.
Domesday Book and Beyond | Frederic William MaitlandIn medieval documents the Latin name for it is ulna, and probably the oldest English name for it is eln, elle, ell.
Domesday Book and Beyond | Frederic William Maitland
British Dictionary definitions for ulna
/ (ˈʌlnə) /
the inner and longer of the two bones of the human forearm
the corresponding bone in other vertebrates
Origin of ulna
1Derived forms of ulna
- ulnar, adjective
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
Scientific definitions for ulna
[ ŭl′nə ]
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.
Browse