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orrery

Syllabification: (or·rer·y)
Pronunciation: /ˈôrərē/

Definition of orrery

noun (plural orrereries)

  • a mechanical model of the solar system, or of just the sun, earth, and moon, used to represent their relative positions and motions.

Origin:

early 18th century: named after the fourth Earl of Orrery, for whom one was made

orrery in other Oxford dictionaries

Definition of orrery in the British & World English dictionary