celestial sphere

1. 1.

   the apparent surface of the imaginary sphere on which celestial bodies appear to be projected

   Synonymssphereempyreanfirmamentheavensvault of heavenwelkin

   Broadersurface

   Partsapexcelestial pointnadirzenithzodiac

Questions about celestial sphere

What does celestial sphere mean?

celestial sphere means "the apparent surface of the imaginary sphere on which celestial bodies appear to be projected".

What is another word for celestial sphere?

Close synonyms include sphere, empyrean, firmament, heavens, vault of heaven. 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.

Is celestial sphere a common word?

celestial sphere is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.