/ Dictionary / Index B Boulogne Billancourt: Meaning and Definition of Find definitions for: Bou•logne Bil•lan•court Pronunciation: (b-lôn'y bē-yän-kr'), [key] a suburb of Paris, in N France. 103,948. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Boulogne Boult Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language