or rest room

[ rest- room, room ]
See synonyms for restroom on
  1. rooms or a room having a sink, toilet, and other facilities for use by employees, visitors, etc., as in a store, theater, or office.

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Origin of restroom

An Americanism dating back to 1895–1900

Words Nearby restroom Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use restroom in a sentence

British Dictionary definitions for rest room

rest room

  1. a room in a public building having lavatories, washing facilities, and sometimes couches

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012