AAR
WordNet
noun
(1) A river in north central Switzerland that runs northeast into the Rhine
WiktionaryText
AAR
- at any rate (a conversational phrase)
- against all risks (insurance industry terminology)
- after action report: a strategy gaming term for a summary of game history and player performance
- Air America Radio: an American domestic radio network
- All-American Rejects: a musical group
- American Academy of Religion
- Association of American Railroads