A typically benevolent celestial being that acts as an intermediary between heaven and earth, especially in Christianity, Judaism, Islam, and Zoroastrianism. A representation of such a being, especially in Christianity, conventionally in the image of a human figure with a halo and wings. Christianity The last of the nine orders of angels in medieval angelology. From the highest to the lowest in rank, the orders are: seraphim, cherubim, thrones, dominations or dominions, virtues, powers, principalities, archangels, and angels. A guardian spirit or guiding influence. A kind and lovable person. One who manifests goodness, purity, and selflessness. Informal A financial backer of an enterprise, especially a dramatic production or a political campaign.