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sclera

[skleer-uh] /ˈsklɪər ə/
noun, Anatomy
1.
a dense, white, fibrous membrane that, with the cornea, forms the external covering of the eyeball.
Origin
1885-1890
1885-90; < Neo-Latin < Greek sklērá (feminine) hard
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for sclera

sclera

/ˈsklɪərə/
noun
1.
the firm white fibrous membrane that forms the outer covering of the eyeball Also called sclerotic
Word Origin
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
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Word Origin and History for sclera
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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sclera in Medicine

sclera scle·ra (sklēr'ə)
n. pl. scle·ras or scle·rae (sklēr'ē)
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. Also called sclerotic.


scle'ral 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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sclera in Science
sclera
  (sklîr'ə)   
The tough, white, fibrous tissue that covers all of the eyeball except the cornea.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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