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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for ulnaeradius
Examples from the Web for ulnae
Historical Examples of ulnae
The bones on which this species is founded are a pair of ulnae, one radius, four metatarsi, and one coracoid.Extinct Birds
noun plural -nae (-niː) or -nas
the inner and longer of the two bones of the human forearm
the corresponding bone in other vertebrates
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
inner bone of the forearm, 1540s, Latin, literally "elbow;" related to Old English eln (see elbow (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
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
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Plural ulnas ulnae (ŭl′nē)
The longer of the two bones of the forearm or lower portion of the foreleg. See more at skeleton.
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