aa

noun

1. a dry form of lava resembling clinkers

   Less specific

   • lava

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

   Synonyms

   • Alcoholics Anonymous, AA

   Less specific

   • nongovernmental organization, NGO

3. an associate degree in arts

   Synonyms

   • Associate in Arts, AA

   Less specific

   • associate degree, associate