Definitions for: Equinox

[n] (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
[n] either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length

Webster (1913) Definition: E"qui*nox, n. [OE. equinoxium, equenoxium, L.
aequinoctium; aequus equal + nox, noctis, night: cf. F.
['e]quinoxe. See Equal, and Night.]
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

When descends on the Atlantic The gigantic Stormwind
of the equinox. --Longfellow.

2. Equinoctial wind or storm. [R.] --Dryden.

Synonyms: equinoctial point

See Also: autumnal equinox, autumnal equinox, celestial point, cosmic time, fall equinox, March equinox, September equinox, spring equinox, vernal equinox, vernal equinox

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