Polaris

  1. Proper noun.  (star) The pole star, a trinary star in the constellation Ursa Minor that currently lies close to the north celestial pole; Alpha (α) Ursae Minoris.
  2. Proper noun.  A type of U.S. ballistic missile, capable of carrying a nuclear warhead and designed to be launched from a submarine.

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This entry was last updated on RefTopia from its source on 3/20/2012.