The Collaborative International Dictionary of English v.0.48:

AAS \AAS\ n.
   1. an associate degree conferred for successful studies in
      applied science.
      [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

aas \aas\ n.
   1. a loose sleeveless outer garment made from aba cloth; worn
      by Arabs. overgarment, outer garment
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

AAS
    n 1: an associate degree in applied science [syn: Associate in
         Applied Science, AAS]