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menses

American  
[men-seez] / ˈmɛn siz /

noun

(used with a singular or plural verb)

  1. the periodic flow of blood and mucosal tissue from the uterus; menstrual flow.

menses British  
/ ˈmɛnsiːz /

noun

  1. another name for menstruation

  2. the period of time, usually from three to five days, during which menstruation occurs

  3. the matter discharged during menstruation

"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
menses Scientific  
/ mĕn′sēz /

  1. See menstruation

Etymology

Origin of menses

1590–1600; < Latin mēnsēs, plural of mēnsis month

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.