Definition of tour d'horizon in English:

tour d'horizon

noun

  • A broad general survey or summary of an argument or event.

    ‘the annual drug assessment provides a crucial tour d'horizon of where the drugs originate’
    synopsis, precis, résumé, abstract, abridgement, digest, compendium, condensation, encapsulation, abbreviated version
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Origin

French, literally ‘tour of the horizon’.

Pronunciation

tour d'horizon

/tuʀ dɔʀizɔ̃//ˌtʊə dɒrɪˈzɒ̃/