washroom
nounUK /ˈwɒʃ.ruːm/
US /ˈwɑːʃ.ruːm/
A room with a toilet and a sink where you can go to the bathroom.
Excuse me, where is the washroom?
OTHER MEANINGS
2. A room in a workplace or public building with sinks and toilets.
The washroom on the second floor is being cleaned.
3. A room used for washing yourself or your hands.
He went to the washroom to wash his hands before dinner.
4. A small room with washing facilities, sometimes including a shower.
The hotel washroom had a shower and fresh towels.