Found 2 items, similar to equinox.
English → English (WordNet) Definition: equinox equinox n 1: 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 2: (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic [syn: equinoctial point ]
English → English (gcide) Definition: Equinox Equinox \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 Vernal. [1913 Webster] When descends on the Atlantic The gigantic Stormwind of the equinox. --Longfellow. [1913 Webster] 2. Equinoctial wind or storm. [R.] --Dryden. [1913 Webster]