aa (n.)

  1. a dry form of lava resembling clinkers

  2. an international organization that provides a support group for persons trying to overcome alcoholism

    [ Syn: alcoholics anonymous , aa ]

  3. an associate degree in arts

    [ Syn: associate in arts , aa ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.