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Definition of Orrery
1. Noun. Planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock.
Generic synonyms: Planetarium
Definition of Orrery
1. n. An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system.
Definition of Orrery
1. Noun. a clockwork model of the solar system ¹
¹ Source: wiktionary.com
Definition of Orrery
1. a mechanical model of the solar system [n -RERIES]