polaris

/P OW0 L EH1 R AH0 S/
noun
  1. 1

    (astronomy) α Ursae Minoris, a trinary star in the constellation Ursa Minor located near the north celestial pole for the last 1500 years.

  2. 2

    A type of U.S. ballistic missile, capable of carrying a nuclear warhead and designed to be launched from a submarine.