Definition of "aid"
Help; assistance; succor, relief.
The person who promotes or helps in something being done; a helper; an assistant.
A historical subsidy granted to the crown by Parliament for an extraordinary purpose, such as a war effort.
An exchequer loan.
A pecuniary tribute paid by a vassal to his feudal lord on special occasions.
An aide-de-camp, so called by abbreviation.
To (give) support (to); to further the progress of; to help; to assist.