Menstrual
Menstrual , adjective
[Latin menstrualis: compare French menstruel. See Menstruous.]
1.
Recurring once a month; monthly; gone through in a month; as, the menstrual revolution of the moon; pertaining to monthly changes; as, the menstrual equation of the sun's place.
2.
Of or pertaining to the menses; as, menstrual discharges; the menstrual period.
3.
Of or pertaining to a menstruum. — Bacon