Source : Webster's Revised Unabridged Dictionary (1913)

Menorrhagia \Men`or*rha"gi*a\, n. [NL., fr. Gr. ? month + ? to
   break.] (Med.)
   (a) Profuse menstruation.
   (b) Any profuse bleeding from the uterus; Metrorrhagia.

Source : WordNet®

menorrhagia
     n : abnormally heavy or prolonged menstruation; can be a symptom
         of uterine tumors and can lead to anemia if prolonged
         [syn: {hypermenorrhea}]