Word.ws English Dictionary

trapdoors

trapdoors is the plural of trapdoor.

trapdoors is the third-person singular simple present indicative of trapdoor.

Meaning of trapdoor

Noun

trapdoor (plural trapdoors)

  1. A hinged or sliding door set into a floor or ceiling.
  2. Such a trap set into the floor of a stage to allow fast exits and entrances.
  3. A secret method of obtaining access to a program or online system; a backdoor.
  4. The special information that permits the inverse of a trapdoor function to be easily computed.
  5. A door in a level for regulating the ventilating current; a weather door.

See all 7 meanings of trapdoor

Questions about trapdoors

What is trapdoors the plural of?
Trapdoors is the plural of trapdoor.

Words near trapdoors in the dictionary

  1. trapdoor functions
  2. trapdoor spider
  3. trapdoor spiders
  4. trapdoored
  5. trapdooring
  6. trapdoors
  7. trape
  8. traped
  9. trapes
  10. trapesed
  11. trapeses

Source and license

Adapted from Wiktionary: trapdoors (page history and authors); trapdoor (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “trapdoors.” Word.ws, https://word.ws/trapdoors. Based on Wiktionary, CC BY-SA 4.0.