menopause

from WordNet (r) 3.0 (2006)

menopause
    n 1: the time in a woman's life in which the menstrual cycle
         ends [syn: {menopause}, {climacteric}, {change of life}]

from The Collaborative International Dictionary of English v.0.48

Menopause \Men"o*pause\, n. [Gr. mh`n month + ? to cause to
   cease. See {Menses}.] (Med.)
   The period of natural cessation of menstruation. See {Change
   of life}, under {Change}.
   [1913 Webster] Menopoma