/ Dictionary / Index B Bifrost: Meaning and Definition of Find definitions for: Bif•rost Pronunciation: (biv'rost), [key] — n. Scand. Myth. the rainbow bridge of the gods from Asgard to earth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biform bifunctional 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