| padded cell | A room in insane asylum with padding on the walls to prevent delusional occupants from injuring themselves. | Rate it: (3.00 / 1 vote) |
| grey matter | A collection of cell bodies and (usually) dendritic connections, in contrast to white matter. | Rate it: (1.00 / 1 vote) |
| hole | Solitary confinement, a high-security prison cell often used as punishment. | Rate it: (0.00 / 0 votes) |
| huis clos | an enclosed space such as a room or cell | Rate it: (0.00 / 0 votes) |
| rubber room | A cell used for confinement of a mentally disturbed person. | Rate it: (0.00 / 0 votes) |
| slop out | To throw out the waste from the chamberpot in a prison cell. | Rate it: (0.00 / 0 votes) |
