#prison_cell__cell__jail_cell  a room where a prisoner is kept
  supertype:  room  an area within a building enclosed by walls and floor and ceiling; "the rooms were very small but they had a nice view"
  part of:  cellblock
  subtype:  detention_cell__detentioncell__bullpen__detention_centre__detentioncentre  a large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarily
  subtype:  tank__cooler  a cell for violent prisoners
  subtype:  dungeon  a dark cell (usually underground) where prisoners can be confined
     subtype:  oubliette  a dungeon with the only entrance or exit being a trap door in the ceiling
  subtype:  guardroom.prison_cell  a cell in which soldiers under guard are confined
  subtype:  keep__hold  a cell in a jail or prison
  subtype:  sweatbox.prison_cell  small or narrow cell

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