Gabriel in the Bible is an angel, specifically an archangel (arch means "highest" or "chief"). The name means "God is my strength" or "man of God",
The greeting of the Angel Gabriel opens the prayer Ave Maria.
In the Christian calendar, the Archangel Gabriel is celebrated together with the Archangels Michael and Raphael on September 29th. [1]
Gabriel is also a given name. Cognates: Hungarian: Gábor. Italian: Gabriele. Finnish: Kaapo. The feminine form of the name Gabriel is Gabrielle.