wash·room
noun/ˈwɒʃruːm/, /ˈwɒʃrʊm/
/ˈwɑːʃruːm/, /ˈwɑːʃrʊm/
(Canadian English or old-fashioned, US English)- a toilet, especially one that is in a public building
（尤指公共建筑物内的）洗手间，厕所 Oxford Collocations DictionaryWashroom is used before these nouns:- attendant