/ Dictionary / Index B bifid: Meaning and Definition of Find definitions for: bi•fid Pronunciation: (bī'fid), [key] — adj. separated or cleft into two equal parts or lobes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bifid (Thesaurus) biffy bifilar Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language