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 figurativeElla, ever the angel of mercy, organized the girls into baking cookies
• an attendant spirit, especially a benevolent one:there was an angel watching over meSee also guardian angel.
• informal a financial backer of an enterprise, typically in the theater.
• in traditional Christian angelology, a being of the lowest order of the celestial hierarchy.

• 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 when a person has been or is expected to be kind or willing to oblige:be an angel and let us come in
• used as a term of endearment:I miss you too, angel

• 3 historical an English coin minted between 1470 and 1634 and bearing the figure of the archangel Michael killing a dragon.

• 4 (angels) Aviation, informal an aircraft’s altitude (often used with a numeral indicating thousands of feet):we rendezvous at angels nine

• 5 Aviation, informal an unexplained radar echo.