celestial sphere

noun

Definition of CELESTIAL SPHERE

: an imaginary sphere of infinite radius against which the celestial bodies appear to be projected and of which the apparent dome of the visible sky forms half

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First Known Use of CELESTIAL SPHERE

1829

Rhymes with CELESTIAL SPHERE

acyclovir, animalier, boulevardier, Buckinghamshire, carabineer, charioteer, conventioneer, dollar-a-year, electioneer, elephant's ear, Eskisehir, free marketeer, harquebusier, heliosphere, ionosphere, Northamptonshire, Nottinghamshire, orienteer

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Britannica.com: Encyclopedia article about "celestial sphere"

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