wet cell
n.β Β«Capt. Mike Sanders, Bannock County Sheriffβs Office: “We refer to them as wet cells, because they have a sink and a toilet; thereβs a common shower, which is regulated; thereβs constitutional requirements, like a certain amount of sunshine, that type of thing.Β» ββBott-Graham Awaits Sentence” KPVI-TV (Pocatello, Idaho) Oct. 26, 2006. (source: Double-Tongued Dictionary)