Definition of menstruous in English:

menstruous

adjective

  • Relating to or in the process of menstruation.

    • ‘Premenstrual dysphoric disorder (PMDD), a menstruous dysfunction, is characterized by profoundly depressed mood, and studies have shown that antidepressants are effective for PMDD.’
    • ‘In Brunswick people think that if a menstruous woman assists at the killing of a pig, the pork will putrefy.’

Origin

Late Middle English: from Old French menstrueus, from late Latin menstruosus, from menstrua menses.

Pronunciation:

menstruous

/ˈmenstrəs//ˈmenstro͞oəs/