planet

(noun) (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. Synonyms: major planet.

(noun) a person who follows or serves another. Synonyms: satellite.

(noun) any celestial body (other than comets or satellites) that revolves around a star.