AAR

Definitions

1. Aircraft accident report.
   abbreviation
2. Axis2 ARchive file (extension .aar)
   abbreviation
3. At any rate.
   abbreviation
4. A river in Switzerland, flowing 292 km from the glaciers of the Bernese Alps into the Rhine at Koblenz, on the Swiss–German border.
5. after-action report; after-action review.
   abbreviation
6. Air America Radio
   abbreviation
7. against all risks.
   abbreviation
8. A river in Germany that flows 50 km from the Taunus in Hesse into the Lahn at Diez, Rhineland-Palatinate.
9. All-American Rejects
   abbreviation
10. A tributary in Hesse, Germany of the Dill river, itself a tributary of the Lahn.
11. American Academy of Religion
    abbreviation
12. Association of American Railroads
    abbreviation

Equivalents

CEFR level