Boulogne Billancourt [boo-lawn-yuh bee-yahn-koor] noun
- a suburb of Paris, in N France.
Also called Bou·logne-sur-Seine [boo-lawn-yuh-syr-sen] /buˈlɔn yə sürˈsɛn/. British Dictionary definitions for boulogne-billancourt Boulogne-Billancourt noun
- an industrial suburb of SW Paris. Pop: 106 367 (1999)Also called: French Boulogne-sur-Seine (bulɔɲsyrsɛn)