equinoctial circle

1. 1.

   the great circle on the celestial sphere midway between the celestial poles

   Synonymscelestial equatorequinoctial lineequinoctial

   Broadergreat circle

Questions about equinoctial circle

What does equinoctial circle mean?

equinoctial circle means "the great circle on the celestial sphere midway between the celestial poles".

What is another word for equinoctial circle?

Close synonyms include celestial equator, equinoctial line, equinoctial. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.