The meaning of the Acronym MBR is...

MBR is

• Mountain Bike Rider

More Meanings For MBR:

• Memory Buffer Register
• Master Boot Record
• Membrane Bio-Reactor
• Minimum Bounding Rectangle
• Moon Base Retards
• Main Boot Record
• Management By Reward
• Momentary Bit Rate
• Medicine Bow- Routt National Forest
• Member
• Mountain Bike Rider
• Mbout, Mauritania

MBR is also in:

• Airport Codes
• Assembly
• Chemistry
• General
• Non-Profit Organizations
• Sports
• Unfiled
• US Government