Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun equinox

2 senses of equinox

Sense 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)
       => cosmic time -- (the time covered by the physical formation and development of the universe)

Sense 2
equinoctial point, equinox -- ((astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic)
       => celestial point -- (a point in the heavens (on the celestial sphere))