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US /lu/ UK /luː/
Homophones

Meanings

  1. 1

Thesaurus

Synonyms
1 noun · (british informal) a toilet toiletlavatorybathroomrestroomprivywashroomWC

Simplified etymology

Loo, meaning “lavatory,” was used by James Joyce and may have existed before the 20th century; Nancy Mitford later introduced it to many readers in her 1940 novel Pigeon Pie. Its origin is uncertain. Perhaps the most plausible proposal connects it with Waterloo, an early 20th-century trade name for iron cisterns. Derivation from the Edinburgh warning gardyloo is popular but unlikely, while a proposed connection with French lieux d’aisances, “places of ease,” is also inconclusive.

Etymology

Of uncertain origin; first attested in the 20th century. Suggested derivations include French lieux d'aisances ('places of ease') or gardyloo (a warning cry when emptying chamber pots), but none is certain.

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