/ Dictionary / Index B Bureau of Customs: Meaning and Definition of Find definitions for: Bu'reau of Cus'toms Pronunciation: [key] former name of the Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bureau de change* Bureau of Indian Affairs Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language