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trapdoor

or trap door

[ trap-dawr, -dohr ]
/ ˈtræpˈdɔr, -ˈdoʊr /
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noun
a door flush with the surface of a floor, ceiling, or roof.
the opening that it covers.
adjective
of, relating to, or like a trapdoor.
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Also called drop .

Origin of trapdoor

First recorded in 1325–75, trapdoor is from Middle English trappe dore. See trap1, door
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use trapdoor in a sentence

British Dictionary definitions for trapdoor

trap door

noun
a door or flap flush with and covering an opening, esp in a ceiling
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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