* Management Unit System
* Modular User System
* Metropolitan Urban System
* Military Utility System
* Musical User System
* Multi-User System
* Marketing, User, Sales
* Model User Story
* Memory Utilization Statistics
To determine the correct meaning of "MUS," you need more context. For example, what is the topic or industry you're reading about? What is the full sentence or phrase where "MUS" is used?
Please provide more information so I can help you understand the meaning of "MUS" in your specific context.