Definition of lodestar in English:

lodestar

noun

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

    figurative ‘she was his intellectual lodestar’
    guide, guiding star, guiding light, role model, model, luminary, exemplar, ideal, inspiration
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Origin

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

Pronunciation

lodestar

/ˈlōdˌstär//ˈloʊdˌstɑr/