The meaning of the Acronym AAR is...

AAR is

• Association of American Railroads
• Airport Acceptance Rate

More Meanings For AAR:

• Arbitrary Angle Reduction
• Affirmative Action Review
• Against All Risks
• A M R Corporation
• Alternate Assessment Reading
• Aftermarket Automotive Review
• Association of Authors Representatives
• All-American Rejects
• Alliance for Aging Research
• All American Racing
• All American Racers
• Able And Ready
• Automatic Alternate Routing
• after action review
• After Action Report

AAR is also in:

• Educational
• FDA
• General
• Mathematics
• Media
• Military
• Music
• Non-Profit Organizations
• NYSE Symbols
• Sports
• Telecom
• Universities