The meaning of the Acronym RAR is...

RAR is

• Rapidly Adapting Receptor

More Meanings For RAR:

• Rapid Assessment And Response
• Rock Am Ring
• Rotate Accumulator Right
• RAR Compressed file archive
• Russian ARchiver
• Respond After Recieving
• Raise A Rate
• Royal Australian Regiment
• Road Accident Rescue
• Rapidly Adapting Receptor
• Rock And Roll
• Roshals Archiving Remedy
• Residents Against Racism
• Remodelers Advantage Roundtables
• Revolutions Against Ray

RAR is also in:

• Assembly
• File Extensions
• General
• Military
• Music
• Physiology
• SMS
• Software
• Transportation
• Unfiled