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Synonyms

rhythm method

American  

noun

  1. a method of birth control in which the couple abstain from sexual intercourse during the period when ovulation is most likely to occur.

rhythm method British  

noun

  1. a method of controlling conception without the aid of a contraceptive device, by restricting sexual intercourse to those days in a woman's menstrual cycle on which conception is considered least likely to occur See also safe period

"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

Etymology

Origin of rhythm method

First recorded in 1935–40

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.