Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation Bible Acts of the Apostles
  • abbreviation Alcoholics Anonymous
  • abbreviation antiaircraft
  • abbreviation Associate in Arts

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A standard size of dry cell battery between AAA and C.
  • initialism poker A starting hand in Texas hold 'em comprised of two aces
  • initialism achievement age
  • initialism acting appointment
  • initialism administrative assistant
  • initialism affirmative action
  • initialism African American
  • initialism India Airports Authority of India
  • initialism Alcoholics Anonymous
  • initialism Alzheimer's Association
  • initialism American Airlines
  • initialism chemistry amino acid
  • initialism Ann Arbor Railroad
  • initialism Anti-aircraft
  • initialism approximate absolute
  • initialism Armed Forces in the Americas (USPS abbreviation code)
  • initialism military assembly area
  • initialism Associate of arts; associate in arts
  • initialism Astrum Argenteum (also A.A. or A.'.A.'.), Esoteric Magickal order or Silver star, a magickal order.
  • initialism athletic association
  • initialism author's alteration
  • initialism UK The Automobile Association
  • initialism military avenue of approach

Etymologies

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