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Definition of Polar star
1. 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.
Exact synonyms: North Star, Polaris, Pole Star, Polestar
Group relationships: Little Bear, Ursa Minor, Dipper, Little Dipper
Generic synonyms: Loadstar, Lodestar, Variable, Variable Star
Group relationships: Little Bear, Ursa Minor, Dipper, Little Dipper
Generic synonyms: Loadstar, Lodestar, Variable, Variable Star
Medical Definition of Polar star
1. One of the figures forming the diaster. Synonym: polar star. (05 Mar 2000)