/ Dictionary / Index B bifold: Meaning and Definition of Find definitions for: bi•fold Pronunciation: (bī'fōld"), [key] — adj. capable of being folded into two parts, as with leaves that are hinged together: a bifold door; bifold shutters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bifocal bifoliate Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language