menarche

[ muh-nahr-kee, me- ]
/ məˈnɑr ki, mɛ- /

noun Physiology.

the first menstrual period; the establishment of menstruation.

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Origin of menarche

1895–1900; men- + archḗ beginning

OTHER WORDS FROM menarche

men·ar·che·al, men·ar·chi·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for menarche

menarche
/ (mɛˈnɑːkɪ) /

noun

the first occurrence of menstruation in a woman's life

Derived forms of menarche

menarcheal or menarchial, adjective

Word Origin for menarche

C20: New Latin, from Greek mēn month + arkhē beginning
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

Medical definitions for menarche

menarche
[ mə-närkē ]

n.

The first menstrual period, usually during puberty.

Other words from menarche

me•narche•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for menarche

menarche
[ mə-närkē ]

The first menstrual period.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.