Definitions for =$word?>
Overview of noun menstruum
The noun menstruum has 2 senses? (no senses from tagged texts)
((archaic) a solvent)
2. menstruation, menses, menstruum, catamenia, period, flow
(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"