Pronunciation: (ād),[key] —v.t. 1. to provide support for or relief to; help: to aid the homeless victims of the fire. 2. to promote the progress or accomplishment of; facilitate.
—v.i. to give help or assistance.
—n. 1. help or support; assistance.
2. a person or thing that aids or furnishes assistance; helper; auxiliary.
3. aids,Manège. a. Also callednatural aids. the means by which a rider communicates with and controls a horse, as the hands, legs, voice, and shifts in weight.
b. Also calledartificial aids. the devices by means of which a rider increases control of a horse, as spurs, whip, and martingale.
5. See foreign aid. 6. a payment made by feudal vassals to their lord on special occasions.
7. Eng. Hist.(after 1066) any of several revenues received by a king in the Middle Ages from his vassals and other subjects, limited by the Magna Charta to specified occasions.
Pronunciation: (ād),[key] —n.U.S. Govt. the division of the United States International Development Cooperation Agency that coordinates the various foreign aid programs with U.S. foreign policy: established in 1961.
1. American Institute of Decorators.
2. American Institute of Interior Designers.
3. Also,A.I.D.Brit.artificial insemination donor.