ulna

[ uhl-nuh ]
/ ˈʌl nə /
|

noun, plural ul·nae [uhl-nee] /ˈʌl ni/, ul·nas.

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
Related formsul·nar, adjectivepost·ul·nar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ulnar

British Dictionary definitions for ulnar

ulna

/ (ˈʌlnə) /

noun plural -nae (-niː) or -nas

the inner and longer of the two bones of the human forearm
the corresponding bone in other vertebrates

Derived Formsulnar, adjective

Word Origin for ulna

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

Medicine definitions for ulnar

ulna

[ ŭlnə ]

n. pl. ul•nas

The larger bone of the two bones of the forearm, extending from elbow to wrist on the side opposite the thumb.cubitus elbow bone

Related formsulnar adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ulnar

ulna

[ ŭlnə ]

Plural ulnas ulnae (ŭl)

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.