Word

vault of heaven, n.

the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
<noun.location> freq. cnt.: 2 freq. cnt.: 2

celestial sphere empyrean firmament heavens sphere vault of heaven welkin

lexical pointers

derivationally related form

empyreal

lexical pointers

derivationally related form

firmamental

semantic pointers

part meronym

apex, solar apex, apex of the sun's way celestial point nadir zenith zodiac

hypernym

surface