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[kawr-noo, -nyoo] /ˈkɔr nu, -nyu/
noun, plural cornua
[kawr-noo-uh, -nyoo-uh] /ˈkɔr nu ə, -nyu ə/ (Show IPA)
a horn, especially a bony part that resembles a horn.
Origin of cornu
1685-95; < Latin: horn; akin to Greek kéras (see cerat-), krāníon cranium
Related forms
cornual, adjective
subcornual, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for cornu


noun (pl) -nua (-njʊə)
(anatomy) a part or structure resembling a horn or having a hornlike pattern, such as a cross section of the grey matter of the spinal cord
Derived Forms
cornual, adjective
Word Origin
C17: from Latin: a horn
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
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cornu in Medicine

cornu cor·nu (kôr'nōō, -nyōō)
n. pl. cor·nu·a (-nōō-ə, -nyōō-ə)

  1. A part or structure, such as a protuberance, that is composed of a horny substance.

  2. See horn.

cor'nu·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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