Dictionary
orrery
noun or·rery \ˈȯr-ər-ē, ˈär-\
plural or·rer·ies
Definition of ORRERY
: an apparatus showing the relative positions and motions of bodies in the solar system by balls moved by a clockwork
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Illustration of ORRERY
Origin of ORRERY
Charles Boyle †1731 4th Earl of Orrery
First Known Use: 1713
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