prison cell

noun
  1. A small, enclosed room in a prison where a prisoner is kept, typically containing minimal furnishings such as a bed and toilet. noun
    The inmate spent most of his day confined to his prison cell.
    The prison cell was barely large enough to fit a bed and a small table.
  2. A metaphorical or symbolic reference to a situation or condition in which someone feels trapped or confined. noun
    She described her monotonous job as a prison cell from which she longed to escape.
    His mind felt like a prison cell, holding him back from expressing his true self.