Equinox (?), n. [OE. equinoxium, equenoxium, L. aequinoctium; aequus equal + nox, noctis, night: cf. F. équinoxe. 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 Vernal.
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When descends on the Atlantic
The gigantic
Stormwind of the equinox. Longfellow.
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2. Equinoctial wind or storm. [R.] Dryden.
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