menstruum

Noun

• the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  • the women were sickly and subject to excessive menstruation
    
  • a woman does not take the gout unless her menses be stopped--Hippocrates
    
  • the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females--Aristotle
    

• (archaic) a solvent

Related words

• Synonyms: 
  menstruation , menses , catamenia , period , flow