/ Dictionary / Index B Borel: Meaning and Definition of Find definitions for: Bo•rel Pronunciation: (bô-rel', bu- Fr. bô-rel'), [key] 1871–1956, French mathematician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. borehole Borel-Lebesgue theorem Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language