WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a furnished sitting room with sleeping accommodations (and some plumbing)
Word Usage
"Simon Upton/Interior Archive Veere Grenney's apartment in London This room is fondly referred to as "the bedsitter" by its owner, Veere Grenney, the New Zealand-born, London-based designer known for his elegant, pared-down traditional interiors."