Azazel (Heb.) “God of Victory”; the scape-goat for the sins of Israel. He who comprehends the mystery of Azazel, says Aben-Ezra, “will learn the mystery of God’s name”, and truly. See “Typhon” and the scape-goat made sacred to him in ancient Egypt.
Source: H.P.Blavatsky - The Theosophical Glossary