English

Proper noun

A.B.A.

1. Initialism of American Bar Association.^[1][2]
2. Initialism of American Bankers Association.^[2]
3. Initialism of American Basketball Association.^[1]

References

1. 1 2 Laurence Urdang (editor), The Random House College Dictionary (Random House, 1984 [1975], ISBN 0-394-43600-8), page 1
2. 1 2 William Morris (editor), The American Heritage Dictionary of the English Language (1971 [1969]; American Heritage Publishing Co., Inc.; ISBN 0-395-09066-0), page 1