/ Dictionary / Index M menstrual: Meaning and Definition of Find definitions for: men•stru•al Pronunciation: (men'str-ul, -strul), [key] — adj. of or pertaining to menstruation or to the menses. monthly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: menstrual (Thesaurus) mens sana in corpore sano* menstrual extraction Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language