LOO


Meaning of LOO in English

/ luː; NAmE / noun

( pl. loos ) ( BrE , informal ) a toilet / bathroom :

She's gone to the loo.

Can I use your loo, please?

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WORD ORIGIN

1940s: many theories have been put forward about the word's origin: one suggests the source is Waterloo , a trade name for iron cisterns in the early part of the century; the evidence remains inconclusive.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.