Definition of lodestar noun from the Oxford Advanced Learner's Dictionary



    (also loadstar) noun
    BrE BrE//ˈləʊdstɑː(r)//
    ; NAmE NAmE//ˈloʊdstɑːr//
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  1. 1the Pole Star (= a star that is used by sailors to guide a ship)
  2. 2(formal) a principle that guides somebody’s behaviour or actions
  3. Word OriginMiddle English: from lode in the obsolete sense ‘way, course’ + star.
See the Oxford Advanced American Dictionary entry: lodestar