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[en-doh-mee-tree-uh m] /ˌɛn doʊˈmi tri əm/
noun, plural endometria
[en-doh-mee-tree-uh] /ˌɛn doʊˈmi tri ə/ (Show IPA).
the mucous membrane lining the uterus.
Origin of endometrium
1880-85; endo- + New Latin -metrium < Greek mḗtr(ā) womb + -ion diminutive suffix
Related forms
endometrial, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for endometrial


noun (pl) -tria (-trɪə)
the mucous membrane that lines the uterus
Derived Forms
endometrial, adjective
Word Origin
C19: New Latin, from endo- + Greek mētra uterus
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 endometrial



1882, medical Latin, from endo- + Greek metra "uterus," related to meter (see mother (n.1)).

Online Etymology Dictionary, © 2010 Douglas Harper
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endometrial in Medicine

endometrium en·do·me·tri·um (ěn'dō-mē'trē-əm)
n. pl. en·do·me·tri·a (-trē-ə)
The glandular mucous membrane comprising the inner layer of the uterine wall.

en'do·me'tri·al 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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endometrial in Science
Plural endometria
The mucous membrane that lines the uterus. A fertilized egg must embed itself in the endometrium in order to develop into an embryo. See more at menstrual cycle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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