1) Celestial navigation guide 2) Directing principle 3) Guide for a mariner 4) Guiding light 5) Guiding light literally 6) Guiding principle 7) Loadstar 8) Lodestar 9) Nocturnal travel guide 10) North star 11) Polar star 12) Polaris 13) Pole star 14) Symbol of constancy 15) Variable 16) Variable star Found on https://www.crosswordclues.com/clue/polestar
the brightest star that appears nearest to either celestial pole at any particular time. Owing to the precession of the equinoxes, the position of ... [5 related articles] Found on http://www.britannica.com/eb/a-z/p/87