aaa

1. Agricultural Adjustment Administration.
2. Amateur Athletic Association.
3. American Automobile Association.
4. antiaircraft artillery.
5. Automobile Association of America.

Symbol.

1. a proportional shoe width size, narrower than AA.
2. the highest quality rating for a corporate or municipal bond.
3. Electricity. a battery size for 1.5 volt dry cells: diameter, 0.4 inches (1 cm); length 1.7 inches (4.3 cm).

1. Amateur Athletic Association.
2. American Automobile Association.
3. Automobile Association of America.

abbreviation for

1. British Amateur Athletic Association
2. anti-aircraft artillerySee also triple A
3. US Automobile Association of America
4. Automobile Association of Australia

also AAA, abbreviation of American Automobile Association, attested 1902, American English, the year the organization was founded.