Autumnal

Au·tum·nal

Autumnal

a.
  1. Of, belonging to, or peculiar to, autumn; as, an autumnal tint; produced or gathered in autumn; as, autumnal fruits; flowering in autumn; as, an autumnal plant.
    Thick as autumnal leaves that strow the brooks In Vallombrosa.
  2. Past the middle of life; in the third stage.
    An autumnal matron.

Phrases & Compounds

Autumnal equinox
the time when the sun crosses the equator, as it proceeds southward, or when it passes the autumnal point.
Autumnal point
the point of the equator intersected by the ecliptic, as the sun proceeds southward; the first point of Libra.
Autumnal signs
the signs Libra, Scorpio, and Sagittarius, through which the sun passes between the autumnal equinox and winter solstice.