spare room

English edit

spare room (plural spare rooms)

guest room
- 2020 September 1, Tom Lamont, “The butcher's shop that lasted 300 years (give or take)”, in The Guardian‎^[1]:
  His entire adult life he had lived in the two-bed flat above the shop, sharing the space with his parents. Frank was in the spare room at the back. His parents had the master bedroom, with a big sash window that overlooked the high street.