Trapdoor

A trapdoor to a bomb shelter from World War II

A trapdoor is a sliding or hinged door that is flush with the surface of a floor, ceiling, or roof.[1] It is traditionally small in size.[2] It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time.[3] The trapdoor has played a pivotal function in the operation of the gallows, cargo ships, trains,[4] booby traps,[5] and more recently theatre and films.[6][7]

  1. ^ Oxford English Dictionary 2nd ed
  2. ^ "TRAPDOOR | meaning in the Cambridge English Dictionary". Dictionary.cambridge.org. 2022-05-25. Retrieved 2022-05-31.
  3. ^ "Greens Mill". Archived from the original on 2010-11-17.
  4. ^ "Federal Register :: Request Access".
  5. ^ When the Burgular Goes a-Burgling. Popular Science October 1919, Page 43.
  6. ^ "Trap Doors On Stage". Theatrecrafts.com. Retrieved 12 November 2018. A set of triangular sprung flaps in the stage floor through which an actor can be propelled from a lift below stage.
  7. ^ "Charade (1963)".