Definition of garçonnière in US English:

garçonnière

noun

  • A bachelor's apartment.

    • ‘The garçonnières on either end of the house were added in the late nineteenth century.’
    • ‘Two dome-roofed garçonnières (separate quarters for guests and/or sons of Creole aristocrats) still stand amid Houmas House's lush greenery.’
    • ‘It is these garçonnières that give Ormond its distinctive look.’
    • ‘The central portion of the house was built 1787-90, and the wings, or garçonnières, were added about 1812.’

Origin

French, from garçon ‘boy’.

Pronunciation

garçonnière

/ˌɡärsənˈyer/