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ulna

[uhl-nuh]
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noun, plural ul·nae [uhl-nee] /ˈʌl ni/, ul·nas.
  1. Anatomy. the bone of the forearm on the side opposite to the thumb.Compare radius(def 7).
  2. a corresponding bone in the forelimb of other vertebrates.
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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. 2018

Examples from the Web for ulnae

Historical Examples

  • The bones on which this species is founded are a pair of ulnae, one radius, four metatarsi, and one coracoid.

    Extinct Birds

    Walter Rothschild


British Dictionary definitions for ulnae

ulna

noun plural -nae (-niː) or -nas
  1. the inner and longer of the two bones of the human forearm
  2. the corresponding bone in other vertebrates
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Derived Formsulnar, adjective

Word Origin

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 ulnae

ulna

n.

inner bone of the forearm, 1540s, Latin, literally "elbow;" related to Old English eln (see elbow (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper

ulnae in Medicine

ulna

(ŭlnə)
n. pl. ul•nas
  1. The larger bone of the two bones of the forearm, extending from elbow to wrist on the side opposite the thumb.cubitus elbow bone
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Related formsulnar adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ulnae in Science

ulna

[ŭlnə]
Plural ulnas ulnae (ŭl)
  1. The longer of the two bones of the forearm or lower portion of the foreleg. See more at skeleton.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.