a. i. d


American Institute of Decorators.
American Institute of Interior Designers.
Also, A.I.D. British. artificial insemination donor.
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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World English Dictionary
aid (eɪd)
1.  to give support to (someone to do something); help or assist
2.  (tr) to assist financially
3.  assistance; help; support
4.  a person, device, etc, that helps or assists: a teaching aid
5.  mountaineering Also: artificial aid any of various devices such as piton or nut when used as a direct help in the ascent
6.  (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
7.  informal (Brit) in aid of in support of; for the purpose of
[C15: via Old French aidier from Latin adjūtāre to help, from juvāre to help]

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

abbreviation for
1.  acute infectious disease
2.  artificial insemination (by) donor: former name for Donor Insemination (DI)

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

late 15c., "help, assistance," from O.Fr. aide, earlier aiudha, from L.L. adjuta, from fem. pp. of L. adiuvare (pp. adiutus) "to give help to," from ad- "to" + juvare "to help" (see adjutant). Meaning "thing by which assistance is given" is recorded from c.1600. Meaning
"material help given by one country to another" is from 1940.

late 15c., from O.Fr. aidier, from L. adjutare, freq. of adiuvare (pp. adjutus) "give help to" (see adjutant).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

AID abbr.
artificial insemination donor

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Abbreviations & Acronyms
Agency for International Development
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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