What does trap door mean?

Definitions for trap door
trap door

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

Princeton's WordNet

  1. trap doornoun

    a hinged or sliding door in a floor or ceiling


  1. trap door

    A trapdoor is a door set into a floor or ceiling.


  1. trap door

    A trap door is a hidden opening within a surface, floor, ceiling or wall, typically in a system or structure, which allows for discreet passage or access from one area to another. It often operates on hinges or slides and may be camouflaged to blend with its surroundings. In computing, a trap door refers to a secret entry point into a program that allows someone who knows about it to gain access without going through the usual security access procedures.

The New Hacker's Dictionary

  1. trap door

    (alt.: trapdoor) 1. Syn. back door — a Bad Thing. 2. [techspeak] A trap-door function is one which is easy to compute but very difficult to compute the inverse of. Such functions are Good Things with important applications in cryptography, specifically in the construction of public-key cryptosystems.

Matched Categories

How to pronounce trap door?

How to say trap door in sign language?


  1. Chaldean Numerology

    The numerical value of trap door in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of trap door in Pythagorean Numerology is: 8

Examples of trap door in a Sentence

  1. Stephen Innes:

    At that tipping point, the producer surplus will become a massive logistical headache for oil storage consideration, which then opens up the trap door for oil prices to plummet below cash costs.

  2. Christie Hefner:

    What made it magical was that it had a trap door, it had a secret panel. It had a game room where every game was available without ever having to put a quarter in it. It had a fireman’s pole. It was just a really cool place if you were a kid. It had a bowling alley, an underground pool — it was pretty fun.

  3. Paul Beatty:

    If all the world's a stage, I want to operate the trap door.

  4. Milo Ventimiglia:

    The audience connects to the Pearsons, i think in that, we as a creative group, it's our duty to go deeper and give the audience more of an understanding... We've got to really let the trap door open and fall through.

  5. Lance Morrow:

    The real 196s began on the afternoon of November 22, 1963....It came to seem that Kennedy's murder opened some malign trap door in American culture, and the wild bats flapped out.

Translations for trap door

From our Multilingual Translation Dictionary

Get even more translations for trap door »


Find a translation for the trap door definition in other languages:

Select another language:

  • - Select -
  • 简体中文 (Chinese - Simplified)
  • 繁體中文 (Chinese - Traditional)
  • Español (Spanish)
  • Esperanto (Esperanto)
  • 日本語 (Japanese)
  • Português (Portuguese)
  • Deutsch (German)
  • العربية (Arabic)
  • Français (French)
  • Русский (Russian)
  • ಕನ್ನಡ (Kannada)
  • 한국어 (Korean)
  • עברית (Hebrew)
  • Gaeilge (Irish)
  • Українська (Ukrainian)
  • اردو (Urdu)
  • Magyar (Hungarian)
  • मानक हिन्दी (Hindi)
  • Indonesia (Indonesian)
  • Italiano (Italian)
  • தமிழ் (Tamil)
  • Türkçe (Turkish)
  • తెలుగు (Telugu)
  • ภาษาไทย (Thai)
  • Tiếng Việt (Vietnamese)
  • Čeština (Czech)
  • Polski (Polish)
  • Bahasa Indonesia (Indonesian)
  • Românește (Romanian)
  • Nederlands (Dutch)
  • Ελληνικά (Greek)
  • Latinum (Latin)
  • Svenska (Swedish)
  • Dansk (Danish)
  • Suomi (Finnish)
  • فارسی (Persian)
  • ייִדיש (Yiddish)
  • հայերեն (Armenian)
  • Norsk (Norwegian)
  • English (English)

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:


Use the citation below to add this definition to your bibliography:


"trap door." Definitions.net. STANDS4 LLC, 2023. Web. 7 Dec. 2023. <https://www.definitions.net/definition/trap+door>.

Discuss these trap door definitions with the community:


    Are we missing a good definition for trap door? Don't keep it to yourself...

    Image or illustration of

    trap door

    Credit »

    Free, no signup required:

    Add to Chrome

    Get instant definitions for any word that hits you anywhere on the web!

    Free, no signup required:

    Add to Firefox

    Get instant definitions for any word that hits you anywhere on the web!

    Browse Definitions.net


    Are you a words master?

    the transparent covering of an aircraft cockpit
    • A. scholastic
    • B. muddle
    • C. canopy
    • D. evangelist

    Nearby & related entries:

    Alternative searches for trap door: