'Polestar' definitions:

Definition of 'polestar'

From: WordNet
noun
The brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it [syn: Polaris, North Star, pole star, polar star, polestar]

Definition of 'Polestar'

From: GCIDE
  • Polestar \Pole"star`\, n.
  • 1. Polaris, or the north star. See North star, under North. [1913 Webster]
  • 2. A guide or director. [1913 Webster]

Definition of 'polestar'

From: GCIDE
  • North \North\, a. Lying toward the north; situated at the north, or in a northern direction from the point of observation or reckoning; proceeding toward the north, or coming from the north. [1913 Webster]
  • North following. See Following, a., 2.
  • North pole, that point in the heavens, or on the earth, ninety degrees from the equator toward the north.
  • North preceding. See Following, a., 2.
  • North star, the star toward which the north pole of the earth very nearly points, and which accordingly seems fixed and immovable in the sky. The star [alpha] (alpha) of the Little Bear, is our present north star, being distant from the pole about 1[deg] 25', and from year to year approaching slowly nearer to it. It is called also Cynosura, polestar, and by astronomers, Polaris. [1913 Webster]

Synonyms of 'polestar'

From: Moby Thesaurus