Definition of mariage blanc in English:

mariage blanc

noun

  • An unconsummated marriage.

    • ‘In a mariage blanc of convenience (for her), he married Thomas Mann's daughter Erika, giving her instant American citizenship and thus saving her from the Nazis.’
    • ‘‘The discreet go-betweens are said to be asking members of other royal families and carefully vetted socialites if they might be interested in ‘un mariage blanc.’’
    • ‘After taking the name Bert Savoy, he contracted a mariage blanc with a chorus girl and they came to New York as Savoy & Savoy. ...’

Origin

French, literally white marriage.

Pronunciation:

mariage blanc

/märˈyäZH ˈbläN/