Definitions

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

  • abbreviation American Bankers Association
  • abbreviation American Bar Association
  • abbreviation American Booksellers Association
  • abbreviation American Basketball Association

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

  • initialism Amateur Boxing Association.
  • initialism American Bar Association.
  • initialism American Booksellers Association.
  • initialism Applied behavior analysis.

Etymologies

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