| Menstrual 1. (a.) 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. (a.) of or pertaining to the menses; as, menstrual discharges; the menstrual period. 3. (a.) of or pertaining to a menstruum. Thesaurus Entries annual, biannual, biennial, bimonthly, biweekly, catamenial, centenary, centennial, daily, decennial, diurnal, fortnightly, hebdomadal, hourly, momentary, momently, monthly, quarterly, quotidian, secular, semestral, semiannual, semimonthly, semiweekly, semiyearly, tertian, triennial, weekly, yearly |