What is the meaning of Trapdoor?

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(n.) A lifting or sliding door covering an opening in a roof or floor.
(n.) A door in a level for regulating the ventilating current; -- called also weather door.

Webster's Revised Unabridged Dictionary

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APA	Webster's. (2011). trapdoor. Retrieved September 21, 2026, from http://smartdefine.org/trapdoor/definitions/2074202
Chicago	Webster's. 2011. "trapdoor" http://smartdefine.org/trapdoor/definitions/2074202 (accessed September 21, 2026).
Harvard	Webster's 2011, trapdoor, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/trapdoor/definitions/2074202>.
MLA	Webster's. "trapdoor" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/trapdoor/definitions/2074202>

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