el baño
[COUNTABLE]
I need to go to the toilet.
Is there a public restroom here?
She went off to the bathroom to wash up.
Can you tell me where the toilet is?
Excuse me, I need to use the restroom.
Can you just show me the way to the loo?
I need to go to the john, be right back.
She went to the john. Let's wait a minute.