noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A great circle on the celestial sphere, coincident with the plane of Earth's Equator.
2. 2
   the great circle on the celestial sphere midway between the celestial poles wordnet

Synonyms

All synonyms

apogeecircleeclipticequatorequinoctialequinoctial circle

Antonyms

All antonyms

celestial polepole of the heavens