The meaning of the Acronym A3 is...

A3 is

• Armor/ Anti- Armor

More Meanings For A3:

• Unrelated Inventions Audiotools Show Log
• Anytime, Anywhere, Anyplace
• Anyplace, Anywhere, Anytime
• Armor/ Anti- Armor
• Automatic Three Speed

A3 is also in:

• Chat
• File Extensions
• Military
• SMS
• Transportation