- the transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera.
Origin of cornea
1350–1400; Middle English < Medieval Latin cornea (tēla, later tunica) horny (web or tunic), feminine of corneus corneous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cornea
Blood was pooling beneath her cornea, forming what is known as a hyphema.Breaking Mount Everest’s Glass Ceiling
Amanda Padoan, Peter Zuckerman
March 30, 2014
What is possibly lovable about the cornea—or the iris or the retina for that matter?
Unlike the rest of the eye, or most of the body, the cornea is a privileged organ.
Here is the proof: even as a whippersnapper, young Rand seemed to love the cornea.
It is the cornea—the last redoubt of virility and independence.
"See the white expanse of cornea, how large it is," whispered Marable.
The sap is used in Bombay to remove opacities of the cornea.The Medicinal Plants of the Philippines
T. H. Pardo de Tavera
In some cases the iris becomes totally adherent to the cornea.
Alteration in the shape of the cornea occurs only rarely in adult life.
It is pushed forward and may lie against the cornea at its periphery.
- the convex transparent membrane that forms the anterior covering of the eyeball and is continuous with the sclera
C14: from Medieval Latin cornea tēla horny web, from Latin cornū 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
Word Origin and History for cornea
late 14c., from Medieval Latin cornea tela "horny web or sheath," from Latin cornu (genitive cornus) "horn" (see horn (n.)). So called for its consistency. Related: Corneal.
Online Etymology Dictionary, © 2010 Douglas Harper
- The transparent, convex, anterior portion of the outer fibrous coat of the eyeball that covers the iris and the pupil and is continuous with the sclera.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The tough transparent membrane of the outer layer of the eyeball that covers the iris and the pupil.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.