The meaning of the Acronym MSR is...

MSR is

• Main Supply Route
• Military Supply Route

More Meanings For MSR:

• Microsoft Reserved Partition
• Module Specific Register
• Model Specific Register
• IEEE Mining Software Repositories Conference
• Mountain Safety Research
• Monte's Secret Revenge
• Mulder Scully Romance
• River Minesweeper (MineSweeper, River)
• Mean Squared Residuals
• Medium Source Rare
• March Strathspey And Reel
• Model Specific Registers
• Motor Schleppmoment Regelung
• Montes Secret Revenge
• Mars Sample Return

MSR is also in:

• Drivers
• Funnies
• General
• Science Fiction
• Ship Types
• Unfiled
• Universities