Black hole

[Sarah]

A dungeon or dark cell in a prison; a military lock-up orguardroom; -- now commonly with allusion to the cell (the Black Hole)in a fort at Calcutta, into which 146 English prisoners were thrustby the nabob Suraja Dowla on the night of June 20, 17656, and inwhich 123 of the prisoners died before morning from lack of air.A discipline of unlimited autocracy, upheld by rods, and ferules, andthe black hole. H. Spencer.

[Dianne]

a region in space where gravity is so strong that nothing, not even light, can escape