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orrery

[awr-uh-ree, or-] /ˈɔr ə ri, ˈɒr-/
noun, plural orreries.
1.
an apparatus for representing the positions, motions, and phases of the planets, satellites, etc., in the solar system.
2.
any of certain similar machines, as a planetarium.
Origin of orrery
1705-1715
1705-15; named after Charles Boyle, Earl of Orrery (1676-1731), for whom it was first made
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for orrery

orrery

/ˈɒrərɪ/
noun (pl) -ries
1.
a mechanical model of the solar system in which the planets can be moved at the correct relative velocities around the sun
Word Origin
C18: originally made for Charles Boyle, Earl of Orrery
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for orrery
n.

1713, invented c.1713 by George Graham and made by instrument maker J. Rowley, who gave a copy to his patron, Charles Boyle, 4th Earl of Orrery (Cork) and named it in his honor.

Online Etymology Dictionary, © 2010 Douglas Harper
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9
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