polar star

polar star

n. See Polaris.

Thesaurus

Noun

1.

polar star - the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward itNorth Star, Polaris, pole star, polestarLittle Bear, Ursa Minor - a constellation outside the zodiac that rotates around the North StarLittle Dipper, Dipper - a cluster of seven stars in Ursa Minor; at the end of the dipper's handle is Polaris