planet, major planet -- ((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)
satellite, planet -- (a person who follows or serves another)
planet -- (any celestial body (other than comets or satellites) that revolves around a star)
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