(military) Initialism of armor., armament, and ammunition.

(military) Initialism of armor, armament, and ammunition.

A village in southwest France, in the Ossau valley of the Pyrenees. / A surname from Norwegian.

(anthropology) Initialism of Australian Anthropological Society. / (arachnology) Initialism of American Arachnological Society (a society of amateur and professional arachnologists)

(aviation) Initialism of Advanced Automation System. (radar control of transoceanic air corridors) / (geometry) Initialism of angle-angle-side triangular congruency.

plural of AA

simple past tense and past participle of AA

present participle of AA

plural of AA tree

(computing) A form of balanced tree used for storing and retrieving ordered data efficiently, a variation of the red-black tree.