[bi:'elzibʌb]
n.
魔王, 魔鬼

[ noun ]
(Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell
<noun.person>

Beelzebub \Be*el"ze*bub\, n.
The title of a heathen deity to whom the Jews ascribed the
sovereignty of the evil spirits; hence, the Devil or a devil.
See {Baal}.