detention centre(n = noun.artifact) bullpen, detention cell - a large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarily;
is a kind of cell, jail cell, prison cell

call centre, centre, centre bit, centre for international crime prevention, centre of buoyancy, centre of curvature, centre of flotation, centre of gravity, centre of immersion, centre of mass, centre punch, centre seal, centre spread, centre stage, city centre, dead centre, detention, detention camp, detention cell, detention home, detention house, house of detention, nerve centre, shopping centre, storm centre