Planet (noun) Definition, Meaning & Examples

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noun
  1. Astronomy.
    • any of the eight large heavenly bodies revolving about the sun and shining by reflected light: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, or Neptune, in the order of their proximity to the sun. Until 2006, Pluto was classified as a planet ninth in order from the sun; it has been reclassified as a dwarf planet.
    • a similar body revolving about a star other than the sun.
    • (formerly) a celestial body moving in the sky, as distinguished from a fixed star, applied also to the sun and moon.
  2. the sun, moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, or Pluto: considered sources of energy or consciousness in the interpretation of horoscopes.
noun
  1. any of the eight celestial bodies, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, that revolve around the sun in elliptical orbits and are illuminated by light from the sun
  2. any other celestial body revolving around a star, illuminated by light from that star
  3. any of the planets of the solar system, excluding the earth but including the sun and moon, each thought to rule one or sometimes two signs of the zodiac
    Planet (noun) Definition, Meaning & Examples

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