Orrery Definition

ôrə-rē, ŏr-
orreries
noun
A mechanical apparatus consisting of balls of various sizes arranged as on wires, designed to illustrate the relative motions and positions of the sun, earth, moon, and often other planets.
Webster's New World
A mechanical model of the solar system or parts of it.
American Heritage

Other Word Forms of Orrery

Noun

Singular:
orrery
Plural:
orreries

Origin of Orrery

  • After Charles Boyle, Fourth Earl of Orrery (1676–1731), for whom one was made

    From American Heritage Dictionary of the English Language, 5th Edition

  • Named after Charles Boyle, 4th Earl of Orrery (1676-1731), for whom such a device was made.

    From Wiktionary

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