/ Dictionary / Index M menostaxis: Meaning and Definition of Find definitions for: men•o•stax•is Pronunciation: (men"u-stak'sis), [key] — n. Pathol. an abnormally prolonged period of menstruation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. menoschesis Menotti Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language