/ Dictionary / Index B bicephalous: Meaning and Definition of Find definitions for: bi•ceph•a•lous Pronunciation: (bī-sef'u-lus), [key] — adj. Bot., Zool. having two heads. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bicephalous (Thesaurus) bicentric biceps Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language