/ Dictionary / Index B bordereau: Meaning and Definition of Find definitions for: bor•de•reau Pronunciation: (bôr"du-rō' Fr. bôr-du-rō'), [key] — pl. -reaux a detailed memorandum, esp. one in which documents are listed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Border collie borderer Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language