BUCCINUM
Buc"ci*num, n. Etym: [L., a trumpet, a trumpet shell.] (Zoöl.)

Defn: A genus of large univalve mollusks abundant in the arctic seas.
It includes the common whelk (B. undatum).

BUCENTAUR
Bu*cen"taur, n. Etym: [Gr.

1. A fabulous monster, half ox, half man.

2. Etym: [It. bucentoro.]

Defn: The state barge of Venice, used by the doge in the ceremony of espousing the Adriatic.

BUCEPHALUS
Bu*ceph"a*lus, n. [L., fr. Gr. , lit., ox-headed; ox + head.]

1.

Defn: The celebrated war horse of Alexander the Great.

2. Hence, any riding horse. [Jocose] Sir W. Scott.