autumn
1. [ noun ] the season when the leaves fall from the trees
Synonyms: fall
Examples:

"in the fall of 1973"

Related terms: season November September October Indian_summer autumnal_equinox
2. [ adjective ] occurring in or appropriate to the season of autumn
Examples:

"autumn leaves"

Related terms: autumnal
3. [ noun ] Woman's first name, popularity rank in the U.S. is 660
Similar spelling:   Auton
  Autin
  Auten
  Auden