from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The glandular mucous membrane that lines the uterus.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the mucous membrane that lines the uterus in mammals and in which fertilized eggs are implanted
from the GNU version of the Collaborative International Dictionary of English
- n. The membrane lining the inner surface of the uterus, or womb.
from The Century Dictionary and Cyclopedia
- n. The lining membrane of the uterus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (pregnancy) the mucous membrane that lines the uterus; thickens under hormonal control and (if pregnancy does not occur) is shed in menstruation; if pregnancy occurs it is shed along with the placenta at parturition
New Latin endomētrium : endo- + Greek mētra, uterus; see metro-.(American Heritage® Dictionary of the English Language, Fourth Edition)
From endo- (“inner”) + Late Latin metrium ("womb"), from Ancient Greek μήτριον ("of a mother"). (Wiktionary)