trapdoor
English · Thesaurus
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trapdoor
- /ˈtræpdɔː/ UK
- /ˈtræpdoɹ/ US
Where it comes from
From trap + door.
noun trapdoors · trap door · trap-door
-
A hinged or sliding door set into a floor or ceiling.
Police found a trapdoor, leading to a basement where boxes labelled as containing dried goods held packages of phones wrapped up in foil, as well as £44,665 in cash.
Similar: drop
- Such a trap set into the floor of a stage to allow fast exits and entrances.
- A secret method of obtaining access to a program or online system; a backdoor.
- The special information that permits the inverse of a trapdoor function to be easily computed.
- A door in a level for regulating the ventilating current; a weather door.
- A folding bolt in a rifle that flips up and forward to allow the cartridge to be loaded in the breech.
verb trapdoors · trapdooring · trapdoored · trap door · trap-door
- To subvert (a cryptographic scheme) by means of a secret parameter that makes the trapdoor function easy to compute.
- To form a trapdoor deformity.
Translations
Every language
noun door set into floor or ceiling
| Español | trampa, escotillón, trampilla |
|---|---|
| 中文 | 活板門 /活板门 huóbǎnmén |
| Português | alçapão |
| Français | trappe |
| Deutsch | Falltür |
| Italiano | botola |
| Ελληνικά | καταπακτή katapaktí |
| Русский | люк ljuk, лаз laz |
noun similar door on a stage
| Español | escotillón |
|---|---|
| Italiano | botola |
| Русский | люк ljuk |
noun secret access to a program
| Русский | лазе́йка lazéjka |
|---|
Talk about this word "trapdoor." Wiktionary, via Micwyn, micwyn.com/word/trapdoor. Accessed 6 Nov. 2026. trapdoor. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/trapdoor "trapdoor." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/trapdoor.
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BibTeX
@misc{trapdoor_2026,
title = {trapdoor},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/trapdoor},
urldate = {2026-11-06}
}
