Equinox
nounverified·updated May 18, 2026
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
Framework senses
- §1
- (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
- §2
- 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
- §1 · legacy_primary
- 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 lengthDR-088 backfill from the noun definition column