- to subdue
 - to check
 - to bring under control
 - (in former times) what one is allowed to wear depending on social status
 - uniform (army, party, school etc)
 - livery (for company employees)
 - CL:套[tao4]
 
Resources
- Wiktionary: 制服
 - MDBG: 制服
 - Examples with 制服 on Tatoeba