DICT.TW Dictionary Taiwan

 Au·tum·nal 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.   --Milton.
 2. Past the middle of life; in the third stage.
    An autumnal matron.   --Hawthorne.
 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.
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 E·qui·nox n.
 1. The time when the sun enters one of the equinoctial points, that is, about March 21 and September 22. See Autumnal equinox, Vernal equinox, under Autumnal and Vernal.
 When descends on the Atlantic
 The gigantic
 Stormwind of the equinox.   --Longfellow.
 2. Equinoctial wind or storm. [R.]
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 autumnal equinox
      n 1: September 22 [syn: September equinox, fall equinox]
           [ant: vernal equinox]
      2: (astronomy) the equinoctial point that lies in the
         constellation of Virgo