menarche

noun
men·​ar·​che | \ ˈme-ˌnär-kē How to pronounce menarche (audio) \

Definition of menarche

: the beginning of the menstrual function especially : the first menstrual period of an individual

Other Words from menarche

menarcheal \ ˌme-​när-​ˈkē-​əl How to pronounce menarche (audio) \ adjective

Examples of menarche in a Sentence

Recent Examples on the Web Two of the most notable milestones are the beginning of menstruation, or menarche, in girls and the beginning of sperm production, or spermarche, with boys. Elissa Strauss, CNN, 3 Aug. 2021 Any circumstances that led to earlier menarche would decrease the relative size of females incidentally, without any change to mating system or male-male competition level or, indeed, any rationale for the size change at all. Quanta Magazine, 8 June 2020 For most of human history, women were either pregnant or lactating almost constantly from menarche to menopause, so their immune systems were always hanging in that careful balance. Viviane Callier, BostonGlobe.com, 30 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'menarche.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of menarche

circa 1900, in the meaning defined above

History and Etymology for menarche

New Latin, from men- + Greek archē beginning

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Time Traveler for menarche

Time Traveler

The first known use of menarche was circa 1900

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Dictionary Entries Near menarche

Menander

menarche

Menaspis

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Cite this Entry

“Menarche.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/menarche. Accessed 4 Dec. 2021.

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More Definitions for menarche

menarche

noun
men·​ar·​che | \ ˈmen-ˌär-kē How to pronounce menarche (audio) \

Medical Definition of menarche

: the beginning of the menstrual function especially : the first menstrual period of an individual

Other Words from menarche

menarcheal \ ˌmen-​ˈär-​kē-​əl How to pronounce menarche (audio) \ or menarchal \ men-​ˈär-​kəl How to pronounce menarche (audio) \ also menarchial \ men-​ˈär-​kē-​əl How to pronounce menarche (audio) \ adjective

More from Merriam-Webster on menarche

Britannica.com: Encyclopedia article about menarche

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