AA

n.	1.	acronym for Associate in Arts, a college degree granted for successful completion of a two-year course of study in arts or general topics.
	2.	Alcoholics Anonymous.

Noun	1.	aa - a dry form of lava resembling clinkers
	2.	AA - an international organization that provides a support group for persons trying to overcome alcoholism Synonyms: Alcoholics Anonymous
	3.	AA - an associate degree in arts Synonyms: Associate in Arts