noun Anatomy.

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

Nearby words

  1. scivvy,
  2. sclaff,
  3. sclc,
  4. sclent,
  5. scler-,
  6. scleradenitis,
  7. scleral,
  8. scleral staphyloma,
  9. scleral vein,
  10. sclere

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



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

Word Origin and History for sclera



1886, medical Latin, from Greek sklera (menix) "the hard (membrane)," fem. of skleros "hard" (see sclerosis).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for sclera



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 formsscleral 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



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.