orrery: Meaning and Definition of

or•rer•y

Pronunciation: (ôr'u-rē, or'-), [key]
— pl. -rer•ies.
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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