MENSTRUUM /ˈmɛn.stɹʊəm/ Scrabble 13 Words With Friends 18 Definition noun (archaic) a solvent. noun the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause. — synonyms: menstruation, menses, catamenia, period, flow See all 137 words you can make from MENSTRUUM → 9-letter words Words starting with M Words ending with M ← Unscramble different letters