[ men-stroo-uh l, -struh l ]
/ ˈmɛn stru əl, -strəl /


of or relating to menstruation or to the menses.
Archaic. monthly.

Origin of menstrual

1350–1400; Middle English menstruall < Latin mēnstruālis having monthly courses, equivalent to mēnstru(a) monthly courses (noun use of neuter plural of mēnstruus monthly; mēnstr- (see semester) + -uus adj. suffix, probably on the model of annuus annual) + -ālis -al1

Related forms

in·ter·men·stru·al, adjectivepost·men·stru·al, adjectivepre·men·stru·al, adjectivepre·men·stru·al·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for menstrual

British Dictionary definitions for menstrual


/ (ˈmɛnstrʊəl) /


of or relating to menstruation or the menses
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

Medicine definitions for menstrual


[ mĕnstrōō-əl ]


Of or relating to menstruation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.