Polaris definition

  • noun:
    • A star of this 2nd magnitude, after the handle for the Little Dipper and virtually at north celestial pole. Also known as North celebrity, polar celebrity, polestar.
    • The polestar. See North celebrity, under north.
    • The pole-star.
    • the brightest star in Ursa Minor; after the handle associated with the Little Dipper; the north axis of the planet tips toward it
  • proper-noun:
    • The pole star, a trinary star in the constellation Ursa Minor that currently lies close to the north celestial pole; Alpha (α) Ursae Minoris
    • A type of U.S. ballistic missile, capable of carrying a nuclear warhead and built to be established from a submarine.

Related Sources

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