- an angel believed to protect a particular person, as from danger or error.
- a person who looks after or is concerned with the welfare of another.
Origin of guardian angel
First recorded in 1625–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- vigilante volunteers who patrol the underground railway in New York, London, and elsewhere, wearing red berets, to deter violent crime