Definition of lodestar in English:

lodestar

noun

  • 1A star that is used to guide the course of a ship, especially the Pole Star.

    guide, guiding star, guiding light, role model, model, luminary, exemplar, ideal, inspiration
    View synonyms
    1. 1.1 A person or thing that serves as an inspiration or guide.
      ‘she was his intellectual lodestar’

Origin

Middle English: from lode in the obsolete sense ‘way, course’ + star.

Pronunciation

lodestar

/ˈləʊdstɑː/