A room containing a shower and/or bathtub, and (typically but not necessarily) a toilet.

plural of bathroom

(chiefly in combination) Having (the specified kind or number of) bathrooms.

Enough to fill a bathroom.

(euphemistic) toilet paper.

(euphemistic, chiefly US) Synonym of use the toilet: to urinate or defecate, especially (but not exclusively) while visiting a bathroom.

A scheduled time at a school or workplace where people can go to the toilet.

(US) A bathroom with a toilet, sink, and bathtub.

A bathroom with a toilet and (usually) a sink, but no shower or bathtub.

(derogatory) a person with mediocre or amateur singing capabilities.