from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The sun together with the eight planets and all other celestial bodies that orbit the sun.
  • n. A system of planets or other bodies orbiting another star.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. The Solar System; the Sun and all the objects in orbit around it.
  • n. Any collection of heavenly bodies including a star or binary star, and any lighter stars, brown dwarfs, planets, and other objects in orbit.

from the GNU version of the Collaborative International Dictionary of English

  • adj. the sun, with the group of celestial bodies which, held by its attraction, revolve round it. The system comprises the major planets, with their satellites; the minor planets, or asteroids, and the comets; also, the meteorids, the matter that furnishes the zodiacal light, and the rings of Saturn. The satellites that revolve about the major planets are twenty-two in number, of which the Earth has one (see Moon.), Mars two, Jupiter five, Saturn nine, Uranus four, and Neptune one. The asteroids, between Mars and Jupiter, thus far discovered (1900), number about five hundred, the first four of which were found near the beginning of the century, and are called Ceres, Pallas, Juno, and Vesta.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the sun with the celestial bodies that revolve around it in its gravitational field


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