men·o·pause 
(mĕnə-pôz′)
(mĕnə-pôz′)n.
1. The permanent cessation of menstruation, usually occurring between the ages of 45 and 55.
2. The period during which such cessation occurs. In both sense, also called climacteric.
[New Latin mēnopausis : MENO- + Greek pausis, pause; see PAUSE.]
men′o·pausal adj.