nnoun.timeeither of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal lengthDerivationally Related Form:equinoctial
Hypernyms:cosmic time
Inherited Hypernyms:equinoxcosmic timetimeattributeabstractionentity
Direct Hyponyms:March equinoxSeptember equinoxautumnal equinoxfall equinoxspring equinoxvernal equinox
Full Hyponyms:autumnal equinoxnoruzvernal equinox
nnoun.location(astronomy) either of the two celestial points at which the celestial equator intersects the eclipticTopic:astronomyuranology
Synset:equinoctial point
Hypernyms:celestial point
Inherited Hypernyms:equinoctial pointcelestial pointpointlocationobjectphysical entityentity
Direct Hyponyms:autumnal equinoxvernal equinox
Full Hyponyms:autumnal equinoxvernal equinox