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Definition of au gratin in English:

au gratin

Pronunciation /əʊ ˈɡratã/ /o ɡʀatɛ̃/

adjective

postpositive

  • Sprinkled with breadcrumbs or grated cheese and browned.

    ‘lentil and mushroom au gratin’
    • ‘I used to do a potato au gratin with mushrooms which I really like.’
    • ‘These are the traditional components of potatoes au gratin.’

Origin

French, literally ‘by grating’, from the verb gratter ‘to grate’.

Pronunciation

au gratin

/əʊ ˈɡratã/ /o ɡʀatɛ̃/