Meaning of autumn

au•tumn

Pronunciation: (ô'tum), [key]
— n.
  1. the season between summer and winter; fall. In the Northern Hemisphere it is from the September equinox to the December solstice; in the Southern Hemisphere it is from the March equinox to the June solstice.
  2. a time of full maturity, esp. the late stages of full maturity or, sometimes, the early stages of decline: to be in the autumn of one's life.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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