WordReference Random House Learner's Dictionary of American English © 2019
aid /eɪd/USA pronunciation   v. 
  1. to provide support (for) or relief (to);
    help: [~ + object]accused of aiding the enemy.[~ + in + object]They aided in the development of the country.
  2. [~ + object] to promote the progress of;
    facilitate: The sleeping pill will aid your sleep.

  1. help or support;
    assistance:[uncountable]financial aid to the country.
  2. a person or thing that aids or furnishes assistance:[countable]an aid to digestion.

WordReference Random House Unabridged Dictionary of American English © 2019
aid  (ād),USA pronunciation 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;

  1. to give help or assistance.

  1. help or support;
  2. a person or thing that aids or furnishes assistance;
  3. Sportaids, [Manège.]
    • Also called  natural aids. the means by which a rider communicates with and controls a horse, as the hands, legs, voice, and shifts in weight.
    • Also called  artificial aids. the devices by means of which a rider increases control of a horse, as spurs, whip, and martingale.
  4. Militaryaide-de-camp.
  5. GovernmentSee  foreign aid. 
  6. World Historya payment made by feudal vassals to their lord on special occasions.
  7. World History[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.
aider, n. 
aidful, adj. 
aidless, adj. 
  • Latin, as above
  • Anglo-French, Old French aid(i)er
  • Latin adjūtāre to help (frequentative of adjuvāre), equivalent. to ad- ad- + -jū- help + -t- frequentative suffix + -āre infinitive suffix; (verb, verbal)
  • Anglo-French, Old French aide, noun, nominal derivative of aid(i)er
  • (noun, nominal) late Middle English ayde 1375–1425
    • 1.See corresponding entry in Unabridged See  help. 
    • 2.See corresponding entry in Unabridged abet, back, foster, advance.
    • 4.See corresponding entry in Unabridged succor;
      subsidy, grant.
    • 2.See corresponding entry in Unabridged hinder, frustrate.
    Although the nouns aid and aide both have among their meanings "an assisting person,'' the spelling aide is increasingly used for the sense "helper, assistant'':One of the senator's aides is calling.Aide in military use is short for aide-de-camp. It is also the spelling in nurse's aide.

AID  (ād),USA pronunciation n. [U.S. Govt.]
  1. Governmentthe division of the United States International Development Cooperation Agency that coordinates the various foreign aid programs with U.S. foreign policy: established in 1961.
  • A(gency for) I(nternational) Dutch(evelopment)

  1. American Institute of Decorators.
  2. American Institute of Interior Designers.
  3. British TermsAlso,  A.I.D. artificial insemination donor.

Collins Concise English Dictionary © HarperCollins Publishers::

aid /eɪd/ vb
  1. to give support to (someone to do something); help or assist
  2. (transitive) to assist financially
  1. assistance; help; support
  2. a person, device, etc, that helps or assists

  3. Also: artificial aid any of various devices such as piton or nut when used as a direct help in the ascent
  4. (in medieval Europe; in England after 1066) a feudal payment made to the king or any lord by his vassals, usually on certain occasions such as the marriage of a daughter or the knighting of an eldest son
Etymology: 15th Century: via Old French aidier from Latin adjūtāre to help, from juvāre to help

ˈaider n

Aid, -aid n combining form
  1. denoting a charitable organization or function that raises money for a cause: Band Aid, Ferryaid

'aid' also found in these entries:
Collocations: provide aid [relief, workers, packages], provide aid to [domestic violence, rape] victims, provide aid to victims of [domestic violence], more...

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