[ en-doh-mee-tree-uhm ]

noun,plural en·do·me·tri·a [en-doh-mee-tree-uh]. /ˌɛn doʊˈmi tri ə/. Anatomy.
  1. the mucous membrane lining the uterus.

Origin of endometrium

1880–85; endo- + New Latin -metrium<Greek mḗtr(ā) womb + -ion diminutive suffix

Other words from endometrium

  • en·do·me·tri·al, adjective

Words Nearby endometrium

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use endometrium in a sentence

British Dictionary definitions for endometrium


/ (ˌɛndəʊˈmiːtrɪəm) /

nounplural -tria (-trɪə)
  1. the mucous membrane that lines the uterus

Origin of endometrium

C19: New Latin, from endo- + Greek mētra uterus

Derived forms of endometrium

  • endometrial, adjective

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

Scientific definitions for endometrium


[ ĕn′dō-mētrē-əm ]

Plural endometria
  1. 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.

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