noun
bathroom
BAHTH-ruum
noun
1
A room containing a bath or shower, usually also with a toilet and sink.
"We're renovating the bathroom this summer."
2
A polite term for a toilet, whether or not it also contains a bath.
"Excuse me, where's the bathroom?"
How to Use Bathroom
Learner’s notesIn plain EnglishThe room used for washing and using the toilet.
UK vs US
Americans commonly say "bathroom" even for a small room with just a toilet; British English tends to reserve that for "toilet" or "loo" and use "bathroom" only when there's a bath.
Common pairings
go to the bathroom
bathroom break
Word Forms
bathroomed past tense, bathrooms plural, bathrooms singular
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We're renovating the _____ this summer.
Etymology
From bath + room.