noun

loo

LOO/luː/

A toilet or a room containing one.

The modern loo stands beside a wall-mounted toilet-paper holder.

A clearly recognizable modern toilet, with its lid raised and seat down, accompanied by a wall-mounted toilet-paper roll.
Etymology

The origin of this bathroom word is uncertain. Suggested explanations include a French expression meaning “place of ease” and a pun on Waterloo prompted by “water closet.”

In context

DATAVERSITY46:57
buildings have the loo the restroom the washroom in one particular place on each floor of each building
Data-Ed Online: The Importance of Metadata – 3 Leveraging Strategies

More examples

  • She asked to use the loo.
  • The train had two loos.
  • He returned from the loo.

Forms

loo · loos

Similar words

toilet
The ordinary American term for the fixture.
restroom
A common American term for a public toilet room.