The definition of an aide is a person who does certain things for another person that makes that person's job easier or more efficient.
(noun)A person who takes over some of the duties of a teacher, like handing out supplies to the students, is an example of an aide.
See aide in Webster's New World College Dictionary
noun
Origin: Fr: see aid
See aide in American Heritage Dictionary 4
noun
Origin:
Origin: French
Origin: , from aider, to aid; see aid
.Learn more about aide