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

[ Syn: menstruation , menstruum , catamenia , period , flow ]