plural noun, singular meninx [mee-ningks] . Anatomy.
the three membranes covering the brain and spinal cord. Compare arachnoid ( def 6 ), dura mater, pia mater.

1610–20; < Neo-Latin < Greek mḗninges, plural of mêninx membrane

meningeal [mi-nin-jee-uhl] , adjective
intermeningeal, adjective
postmeningeal, adjective
submeningeal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To submeningeal
World English Dictionary
meninges (mɪˈnɪndʒiːz)
pl n , sing meninx
dura mater arachnoid See pia mater the three membranes that envelop the brain and spinal cord
[C17: from Greek, pl of meninx membrane]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
meninges   (mə-nĭn'jēz)  Pronunciation Key 
The three membranes that enclose the vertebrate brain and spinal cord: the pia mater, arachnoid, and dura mater.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
meninges [(muh-nin-jeez)]

The membranes that surround the brain and spinal cord.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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