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trapdoor

or trap door

[trap-dawr, -dohr] /ˈtræpˈdɔr, -ˈdoʊr/
noun
1.
a door flush with the surface of a floor, ceiling, or roof.
2.
the opening that it covers.
adjective
3.
of, relating to, or like a trapdoor.
Also called drop.
Origin of trapdoor
1325-1375
1325-75; Middle English trappe dore. See trap1, door
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for trap door
Historical Examples
  • Rusty holds out hand and Jarvis cautiously steps on trap door; it sinks and other end rises.

    The Ghost Breaker Paul Dickey
  • Where could a trap door, two thousand feet above the earth lead?

  • Then he saw a trap door in the floor, which led down to a kind of dark dungeon.

    Rollo in Scotland Jacob Abbott
  • Throwing this aside, he unlocked the trap door and quietly raised it.

  • I cut out three sides neatly, and made a sort of trap door that hinged upon the uncut end.

    Old Farm Fairies: Henry Christopher McCook
  • Then he shut down the trap door, securely fastened it and departed.

    Venus in Boston; George Thompson
  • The house was dark but, with the aid of a flashlight, the guide located a trap door under some loose straw.

  • In the trap door was a small knot hole, about an inch and a half in diameter.

    The Boy Broker Frank A. Munsey
  • They crawled through the trap door and out upon the stone-paved, airy crown of the tower.

    Castle Craneycrow George Barr McCutcheon
  • I guess the old duffer has it in his pocket, the same as he has the key to the trap door.

    The Boy Broker Frank A. Munsey
British Dictionary definitions for trap door

trap door

noun
1.
a door or flap flush with and covering an opening, esp in a ceiling
2.
the opening so covered
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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trap door in Technology


Or "trapdoor" 1. back door.
2. trap-door function

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Difficulty index for trapdoor

Few English speakers likely know this word

Word Value for trap

6
7
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