[ skleer-uh ]
/ ˈsklɪər ə /

noun Anatomy.

a dense, white, fibrous membrane that, with the cornea, forms the external covering of the eyeball.

Origin of sclera

1885–90; < New Latin < Greek sklērá (feminine) hard Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sclera

British Dictionary definitions for sclera


/ (ˈsklɪərə) /


the firm white fibrous membrane that forms the outer covering of the eyeballAlso called: sclerotic

Word Origin for sclera

C19: from New Latin, from Greek sklēros hard
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

Medicine definitions for sclera


[ sklîrə ]

n. pl. scle•ras

The tough fibrous tunic forming the outer envelope of the eye and covering all of the eyeball except the cornea; the white of the eye.sclerotic

Related forms

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

Science definitions for sclera


[ sklîrə ]

The tough, white, fibrous tissue that covers all of the eyeball except the cornea.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.