polar star

English Thesaurus

1. 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 (noun.object)

instance hypernym	:	loadstar, lodestar,
definition	:	guiding star; a star that is used as a reference point in navigation or astronomy (noun.object)

instance hypernym	:	variable, variable star,
definition	:	a star that varies noticeably in brightness (noun.object)

member meronym	:	little bear, ursa minor,
definition	:	a constellation outside the zodiac that rotates around the North Star (noun.object)

member meronym	:	dipper, little dipper,
definition	:	a cluster of seven stars in Ursa Minor; at the end of the dipper's handle is Polaris (noun.object)