Trapdoor definition

trăpdôr
Frequency:
A hinged or sliding door in a floor, roof, or ceiling.
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A hinged or sliding door set into a floor or ceiling.
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(theater) Such a trap set into the floor of a stage to allow fast exits and entrances.
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(computing) A secret method of obtaining access to a program or online system; a backdoor.
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(mathematics, cryptography) The special information that permits the inverse of a trapdoor function to be easily computed.
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(mining) A door in a level for regulating the ventilating current; weather door.

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A hinged or sliding door in a roof, ceiling, or floor.
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Alternative Forms

Alternative Form of trapdoor - trap-door

Other Word Forms

Noun

Singular:
trapdoor
Plural:
trapdoors

Origin of trapdoor