restroom
/ˈrestruːm/noun
1
- Brit. a room, especially in a public building, for people to relax or recover in〈英〉（尤指公共建筑内的）休息室。
2
- chiefly N. Amer. a toilet in a public building〈主北美〉（公共建筑内的）公用厕所。