What does trapdoor mean?

Definitions for trapdoor
ˈtræpˈdɔr, -ˈdoʊrtrap·door

This dictionary definitions page includes all the possible meanings, example usage and translations of the word trapdoor.


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Wiktionary

  1. trapdoornoun

    A hinged or sliding door set into a floor or ceiling.

  2. trapdoornoun

    Such a trap set into the floor of a stage to allow fast exits and entrances.

  3. trapdoornoun

    A secret method of obtaining access to a program or online system; a backdoor.

  4. trapdoornoun

    The special information that permits the inverse of a trapdoor function to be easily computed.

  5. Etymology: trap + door

Samuel Johnson's Dictionary

  1. Trapdoornoun

    A door opening and shutting unexpectedly.

    Etymology: trap and door.

    The arteries which carry from the heart to the several parts have valves which open outward like trapdoors, and give the blood a free passage; and the veins, which bring it back to the heart, have valves and trapdoors which open inwards, so as to give way into the blood to run into the heart. John Ray.

Wikipedia

  1. Trapdoor

    A trapdoor is a sliding or hinged door in a floor or ceiling. It is traditionally small in size. It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. The trapdoor has played a pivotal function in the operation of the gallows, cargo ships, trains booby traps,and more recently theatre and films.

Webster Dictionary

  1. Trapdoornoun

    a lifting or sliding door covering an opening in a roof or floor

  2. Trapdoornoun

    a door in a level for regulating the ventilating current; -- called also weather door

Wikidata

  1. Trapdoor

    A trapdoor is a sliding or hinged door, flush with the surface of a floor, roof, or ceiling, or in the stage of a theatre. A hatch, an opening which may also be in a wall and need not be flush with the surface, is similar; in some cases either name is applicable. A small door in a wall, floor or ceiling used to gain access to equipment is called an access hatch or access door.

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Numerology

  1. Chaldean Numerology

    The numerical value of trapdoor in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of trapdoor in Pythagorean Numerology is: 8

Examples of trapdoor in a Sentence

  1. Shiraz Maher:

    Every time you think they cannot commit anything worse they open up another trapdoor.

Popularity rank by frequency of use

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Translations for trapdoor

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"trapdoor." Definitions.net. STANDS4 LLC, 2024. Web. 18 Mar. 2024. <https://www.definitions.net/definition/trapdoor>.

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