DICT.TW Dictionary Taiwan

 or·rery /ˈɔrɚ/
 太陽系儀

 Or·re·ry n.; pl. Orreries   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.
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 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