Bucephalus
Pronunciation : Bu*ceph"a*lus, n. [L., fr. Gr. , lit.
Part of Speech : ox-headed;
Definition : 1.
Defn: The celebrated war horse of Alexander the Great.
2. Hence, any riding horse. [Jocose] Sir W. Scott.
ox + head.]
Source : Webster's Unabridged Dictionary, 1913