Definitions
1.nounA critical stage or decisive point; a turning point.
2.nounA period in human life in which some great change is supposed to take place, calculated in different ways by different authorities (often identified as every seventh or ninth year).
3.nounThe period of life that leads up to and follows the end of menstruation in women; the menopause.
4.adjectivePertaining to any of several supposedly critical years of a person's life.
5.adjectiveCritical or crucial; decisive.
6.adjectiveRelating to a period of physiological change during middle age; especially, menopausal.
7.adjectiveClimactic.