/ Dictionary / Index B Bucephalus: Meaning and Definition of Find definitions for: Bu•ceph•a•lus Pronunciation: (by-sef'u-lus), [key] — n. the horse used by Alexander the Great on most of his military campaigns. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. buccolingual Buchan Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language