E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A king of Egypt, who used to immolate to the gods all strangers who set foot on his shores. Hercules was seized by him; and would have fallen a victim, but he broke his chain, and slew the inhospitable king.
Busiris, according to Milton, is the Pharaoh who was drowned in the Red Sea.