Trapdoor Trap"door`, n. 1. (Arch.) A lifting or sliding door covering an opening in a roof or floor. [1913 Webster]

2. (Mining) A door in a level for regulating the ventilating current; -- called also {weather door}. --Raymond. [1913 Webster]

{Trapdoor spider} (Zo["o]l.), any one of several species of large spiders which make a nest consisting of a vertical hole in the earth, lined with a hinged lid, like a trapdoor. Most of the species belong to the genus {Cteniza}, as the California species ({Cteniza Californica}). [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • trapdoor — ► NOUN ▪ a hinged or removable panel in a floor, ceiling, or roof …   English terms dictionary

  • trapdoor — [trap′dôr΄] n. a hinged or sliding door in a roof, ceiling, or floor …   English World dictionary

  • Trapdoor — A trapdoor is a door set into a floor or ceiling (depending on what side of the door one is on). An exposed trapdoor could also be called a hatch, although hatches may not be necessarily horizontal. Many buildings with flat roofs have hatches… …   Wikipedia

  • trapdoor — UK [ˈtræpˌdɔː(r)] / US [ˈtræpˌdɔr] noun [countable] Word forms trapdoor : singular trapdoor plural trapdoors a small door that covers an opening in a floor, ceiling, or wall …   English dictionary

  • trapdoor — n. a door or hatch in a floor, ceiling, or roof, usu. made flush with the surface. Phrases and idioms: trapdoor spider any of various spiders, esp. of the family Ctenizidae, that make a hinged trapdoor at the top of their nest …   Useful english dictionary

  • Trapdoor — Backdoor (auch Trapdoor oder Hintertür) bezeichnet einen (oft vom Autor eingebauten) Teil einer Software, der es Benutzern ermöglicht, unter Umgehung der normalen Zugriffssicherung Zugang zum Computer oder einer sonst geschützten Funktion eines… …   Deutsch Wikipedia

  • trapdoor — /trap dawr , dohr /, n. 1. a door flush with the surface of a floor, ceiling, or roof. 2. the opening that it covers. adj. 3. of, pertaining to, or like a trapdoor. [1325 75; ME trappe dore. See TRAP1, DOOR] * * * …   Universalium

  • trapdoor — [[t]træ̱pdɔ͟ː(r)[/t]] trapdoors also trap door N COUNT A trapdoor is a small horizontal door in a floor, a ceiling, or on a stage …   English dictionary

  • trapdoor — užpakalinės durys statusas T sritis informatika apibrėžtis Vieta, pro kurią galima patekti į programinės arba aparatinės įrangos vidų, ir priemonės tam padaryti apeinant ↑saugumo priemones. Programuotojai dažnai palieka užpakalines duris klaidų… …   Enciklopedinis kompiuterijos žodynas

  • trapdoor — noun Date: 14th century a lifting or sliding door covering an opening (as in a roof, ceiling, or floor) …   New Collegiate Dictionary