• synonyms


[kyoo-nee-uh s]
noun, plural cu·ne·i [kyoo-nee-ahy] /ˈkyu niˌaɪ/.
  1. Anatomy. a wedge-shaped convolution on the medial surface of the occipital lobe of the cerebrum.
  2. Entomology. a wedge-shaped segment of the corium of certain hemipterous insects.
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Origin of cuneus

< Latin: wedge
Related formssub·cu·ne·us, noun, plural sub·cu·ne·i.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cuneus

Historical Examples

  • Cuneus, and others, have also calculated the capacity of the ark.

    The Book of Curiosities

    I. Platts

  • In the year 1748 a Dutch experimenter named Cuneus thought he would try to electrify water.

  • The ancient formation of the wedge (cuneus) was not, however, altogether abandoned, whether for horse or foot.

  • One Cuneus and a monk named Kleist each claimed the honor of original invention of the condenser.

British Dictionary definitions for cuneus


  1. a small wedge-shaped area of the cerebral cortex
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Word Origin

C19: from Latin cuneus wedge
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

cuneus in Medicine


n. pl. cu•ne•i (-nē-ī′)
  1. The region of the medial aspect of the occipital lobe of each cerebral hemisphere that is bounded by the parieto-occipital sulcus and the calcarine sulcus.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.