noun, plural conjunctivas, conjunctivae [kon-juhngk-tahy-vee] . Anatomy.
the mucous membrane that lines the exposed portion of the eyeball and inner surface of the eyelids.

1350–1400; Middle English; short for Medieval Latin membrāna conjunctīva conjunctive membrane; see conjunctive

conjunctival, adjective
subconjunctival, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
conjunctiva (ˌkɒndʒʌŋkˈtaɪvə)
n , pl -vas, -vae
the delicate mucous membrane that covers the eyeball and the under surface of the eyelid
[C16: from New Latin membrāna conjunctīva the conjunctive membrane, from Late Latin conjunctīvusconjunctive]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1540s, short for membrana conjunctiva "conjunctive membrane" (see conjunctive).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

conjunctiva con·junc·ti·va (kŏn'jŭngk-tī'və)
n. pl. con·junc·ti·vas or con·junc·ti·vae (-vē)
The mucous membrane that lines the inner eyelid and the exposed surface of the eyeball.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
conjunctiva   (kŏn'jŭngk-tī'və)  Pronunciation Key 
Plural conjunctivas or conjunctivae (kŏn'jŭngk-tī'vē)
The mucous membrane that lines the inside of the eyelid and covers the surface of the eyeball.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences for conjunctiva
The tarsal conjunctiva is a velvety red and not particularly follicular.
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