WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. menstruation, menses, menstruum, catamenia, period, flow, discharge, emission, expelling
- usage: the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; "the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"--Hippocrates; "the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females"--Aristotle
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See also: menses (Dictionary)