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4 definitions found
 for Planet
From The Collaborative International Dictionary of English v.0.48 :

  Planet \Plan"et\, n. [OE. planete, F. plan[`e]te, L. planeta,
     fr. Gr. ?, and ? a planet; prop. wandering, fr. ? to wander,
     fr. ? a wandering.]
     1. (Astron.) A celestial body which revolves about the sun in
        an orbit of a moderate degree of eccentricity. It is
        distinguished from a comet by the absence of a coma, and
        by having a less eccentric orbit. See Solar system.
        [1913 Webster]
     Note: The term planet was first used to distinguish those
           stars which have an apparent motion through the
           constellations from the fixed stars, which retain their
           relative places unchanged. The inferior planets are
           Mercury and Venus, which are nearer to the sun than is
           the earth; the superior planets are Mars, the
           asteroids, Jupiter, Saturn, Uranus, and Neptune, which
           are farther from the sun than is the earth. Primary
           planets are those which revolve about the sun;
           secondary planets, or moons, are those which revolve
           around the primary planets as satellites, and at the
           same time revolve with them about the sun.
           [1913 Webster]
     2. A star, as influencing the fate of a men.
        [1913 Webster]
              There's some ill planet reigns.       --Shak.
        [1913 Webster]
     Planet gear. (Mach.) See Epicyclic train, under
     Planet wheel, a gear wheel which revolves around the wheel
        with which it meshes, in an epicyclic train.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: (astronomy) any of the nine large celestial bodies in the
           solar system that revolve around the sun and shine by
           reflected light; Mercury, Venus, Earth, Mars, Jupiter,
           Saturn, Uranus, Neptune, and Pluto in order of their
           proximity to the sun; viewed from the constellation
           Hercules, all the planets rotate around the sun in a
           counterclockwise direction [syn: planet, major planet]
      2: a person who follows or serves another [syn: satellite,
      3: any celestial body (other than comets or satellites) that
         revolves around a star

From Moby Thesaurus II by Grady Ward, 1.0 :

  21 Moby Thesaurus words for "planet":
     Earth, Jupiter, Mars, Mercury, Neptune, Pluto, Saturn, Uranus,
     Venus, asteroid, globe, inferior planet, major planet,
     minor planet, planetoid, secondary planet, solar system,
     superior planet, terrestrial planet, wanderer, world

From The Free On-line Dictionary of Computing (30 December 2018) :

     ["An Experiment in Language Design for Distributed Systems",
     D. Crookes et al, Soft Prac & Exp 14(10):957-971 (Oct 1984)].

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