1. Astronomy . the polestar or North Star, a star of the second magnitude situated close to the north pole of the heavens, in the constellation Ursa Minor: the outermost star in the handle of the Little Dipper.
2. a two-stage U.S. ballistic missile, usually fired from a submerged submarine.
How do you find it? There are so many satellites nowadays that I canít find Polaris anymore.
He sighted through the eyepiece and moved the index arm until Polaris sat squarely on the wire.