one of a class of spiritual beings; a celestial attendant of God. In medieval angelology, angels constituted the lowest of the nine celestial orders (seraphim, cherubim, thrones, dominations or dominions, virtues, powers, principalities or princedoms, archangels, and angels).
a conventional representation of such a being, in human form, with wings, usually in white robes.
a messenger, especially of God.
a person who performs a mission of God or acts as if sent by God: an angel of mercy.
a person having qualities generally attributed to an angel, as beauty, purity, or kindliness.