of or characteristic of or occurring in autumn
"the autumnal equinox"; "autumnal fruits"
characteristic of late maturity verging on decline
"a serene autumnal mood"
Of or relating to autumn.
Past the middle of life; in the third stage.
Buffy the Vampire Slayer: Autumnal is a trade paperback collecting comic stories based on the Buffy the Vampire Slayer television series.