aa - definitions and synonyms

aa noun

  1. English Meaning: 

    : a dry form of lava resembling clinkers

  2. ( also written as AA )

    English Meaning: 

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

  3. ( also written as AA )

    English Meaning: 

    : an associate degree in arts

    Synonyms:

    associate in arts