menses (
http://definr.com/menses)
n : 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,
catamenia,
period,
flow]