A.A.A.

1. Amateur Athletic Association.

2. American Automobile Association.

3. Automobile Association of America.

* * *

AAA (no periods)

an abbreviation for the following:

1. Agricultural Adjustment Administration (of the United States).

2. American Automobile Association.

3. (in financial rating) the highest rank.

4. the third in a series of narrow shoe widths (preceded in degree of width by AA).

A.A.A.,

1. Amateur Athletic Association (of Great Britain).

2. American Arbitration Association.