[ 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.
WERE YOU BAMBOOZLED BY THE WORDS FROM FEBRUARY?
We understand! Words are tricky that way. Take this quiz on the Words of the Day from February, 2021, to show that you’re far from frumious!
Question 1 of 10
Which Word of the Day means “happening within or being the created world of a story”?
Origin of ulna
1835–45; <Latin: elbow; akin to Greek ōlénē,
Old English elnell2
OTHER WORDS FROM ulnaulnar, adjectivepost·ul·nar, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for ulna
The ulnar carpal (fig. 57, 5) is a somewhat larger, more irregular bone, lying adjacent to the end of the ulna.
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 forms of ulnaulnar, 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
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
Other words from ulnaul′nar adj.
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.