What is the meaning of Keyhole?

(n.) a mortise for a key or cotter.
(n.) A hole or apertupe in a door or lock, for receiving a key.
(n.) A hole or excavation in beams intended to be joined together, to receive the key which fastens them.

Webster's Revised Unabridged Dictionary

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APA	Webster's. (2011). keyhole. Retrieved September 22, 2026, from http://smartdefine.org/keyhole/definitions/2025339
Chicago	Webster's. 2011. "keyhole" http://smartdefine.org/keyhole/definitions/2025339 (accessed September 22, 2026).
Harvard	Webster's 2011, keyhole, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/keyhole/definitions/2025339>.
MLA	Webster's. "keyhole" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/keyhole/definitions/2025339>

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