See also: trap-door and trapdoor

English edit

Noun edit

trap door (plural trap doors)

  1. Alternative form of trapdoor
    • 1960 September, “Inter-city diesel units for the Hull-Liverpool service of the N.E.R.”, in Trains Illustrated, pages 559–560:
      Trap doors are provided at various places in the floor to facilitate inspection and maintenance of the diesel equipment.