Definitions for equinox

Overview of noun equinox

The noun equinox has 2 senses? (no senses from tagged texts)

1. equinox

(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. equinoctial point, equinox

((astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic)