aa

association that organizes support groups for alcoholics

organization that provides its members with emergency road assistance (towing, etc.) and other automobile services (maps, travel planning, etc.)

against aircraft, for protection against enemy airplanes and helicopters

n. volcanic lava characterized by a rough surface

AA, A∴A∴, Aa, 'A'a, aa and aA may refer to: AA TransportationAerolíneas Argentinas, an Argentine airlineAmerican Airlines, IATA airline codeAir America was a CIA front that supplied covert operations during the Vietnam WarAnn Arbor Railroad, a railroad connecting Ann Arbor, Michigan and Toledo, Ohio in the United StatesNZR Aa class, a locomotive class operated by the New Zealand Railways DepartmentAA Motoring Trust, a British road safety charityAn Automobile AssociationThe Automobile Association, a British motoring organisationThe Automobile Association (Ireland), an Irish motoring organisationwithin a country to refer to the Automobile Association of that country, such as the New Zealand Automobile Association
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is a J-pop group inside Hello! Project, led by Morning Musume member Reina Tanaka. The group itself released only one single.Notable for the fact that Airi Suzuki was only nine years old at the time of the single, she gives a remarkably professional and competent performance, making her the youngest girl to appear on a Hello! Project single with a major singing part.Natsuyaki became part of the pre-teen Hello! Project group Berryz Kobo in 2004, while Suzuki joined another Hello! Project group, °C-ute, the year afterward.
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Noun
1. an international organization that provides a support group for persons trying to overcome alcoholism
(synonym) Alcoholics Anonymous
(hypernym) nongovernmental organization, NGO
2. an associate degree in arts
(synonym) Associate in Arts
(hypernym) associate degree, associate

Noun
1. a dry form of lava resembling clinkers
(hypernym) lava

foreign office, governmental department in charge of the foreign affairs of a country

n. excrement (Slang)

Argentinean Airlines