/ Dictionary / Index B bois de vache: Meaning and Definition of Find definitions for: bois de vache Pronunciation: (bwä" du vash'), [key] dried buffalo dung, used as fuel by Canadian and U.S. fur trappers in the 18th and 19th centuries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bois de rose oil Boise Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language