Equinox (Noun)
Meaning 1
(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic.
Classification
Nouns denoting spatial position.
Synonyms
Hypernyms
Hyponyms
Meaning 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.
Classification
Nouns denoting time and temporal relations.