angel

noun

• 1a spiritual being believed to act as an attendant, agent, or messenger of God, conventionally represented in human form with wings and a long robe:God sent an angel to talk to Gideon the Angel of Death
• an attendant spirit, especially a benevolent one:there was an angel watching over meSee also guardian angel.
• (in traditional Christian angelology) a being of the lowest order of the ninefold celestial hierarchy.
• (Angel)short for Hell's Angel.

• 2a person of exemplary conduct or virtue:women were then seen as angels or whores I know I’m no angel
• used in similes or comparisons to refer to a person’s outstanding beauty, qualities, or abilities:you sang like an angel
• used in approval to a person who is kind or helpful:be an angel and let us come in
• used as a term of endearment:I miss you too, angel

• 3 informal a financial backer of a theatrical or business enterprise: every year we raise the money for the next season and we are always looking for an angel thanks to the intervention of a financial angel, he was able to make the documentary

• 4a former English coin minted between the reigns of Edward IV and Charles I and bearing the figure of the archangel Michael killing a dragon.

• 5 (angels) aviation slang an aircraft’s altitude (often used with a numeral indicating thousands of feet):we rendezvous at angels nine

• 6 informal an unexplained radar echo.