Found 2 items, similar to Orrery.
English → English (WordNet) Definition: orrery orrery n : 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
English → English (gcide) Definition: Orrery Orrery \Or"re*ry\, n.; pl. Orreries. [So named in honor of the Earl of Orrery.] 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. [1913 Webster]