The meaning of the Acronym ARR is...

ARR is

• Alaska Railroad Corporation

More Meanings For ARR:

• Atari Cubase Arrangement file
• Amber ARR image file Bitmap graphics
• Almost Ready To Run
• All Robots Report
• Annualized Rate Of Return
• Absolute Risk Reduction
• Alaska Railroad Corporation

ARR is also in:

• File Extensions
• General
• Railroads
• Unfiled