noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The moment when the sun appears to cross the celestial equator while tilting towards the observer, taking place in March in the northern hemisphere (March equinox) and September in the southern hemisphere (September equinox).
2. 2
   (astronomy) the equinoctial point that lies in the constellation of Pisces wordnet
3. 3
   March 21 wordnet

Synonyms

All synonyms

aphelionapogeeastronomical longitudeautumnal equinoxcelestial equatorcelestial longitude

Antonyms

All antonyms

autumnal equinoxsouthward equinox