condemned cell
From Longman Dictionary of Contemporary EnglishRelated topics: Crime & lawcondemned cellconˈdemned ˌcell noun [countable] British English SCa room for a prisoner who was going to be punished by death → death rowExamples from the Corpuscondemned cell• Sarah says it's like being in the condemned cell and being let out.• It contains some interesting relics, including the door of the condemned cell from the old Calton jail.