Meaning "The Lamb of God." This is the name given to the prayer "O Lamb of God, who takest away the sins of the world, have mercy upon us," to be found in the Litany and Gloria in Excelsis. The Agnus Dei is often sung as an anthem after the Prayer of Consecration in the Holy Communion. It is also the name given to a representation of a lamb with banner as an emblem of Christ. (See EMBLEMS).