polar_star
1. [ noun ] (astronomy) 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
Synonyms: North_Star polestar pole_star Polaris
Related terms: variable_star lodestar Little_Dipper Little_Bear
Similar spelling:   Polaris
  polar_circle
  polarize
  polarise
  pilar_cyst
  polar_zone