trapdoor

noun

trap·​door ˈtrap-ˈdȯr How to pronounce trapdoor (audio)
: a lifting or sliding door covering an opening (as in a roof, ceiling, or floor)

Examples of trapdoor in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One common trapdoor function involves multiplying two large prime numbers, an easy operation to perform. John Pavlus, WIRED, 15 Dec. 2024 But the Olivia Tremor Control — the band that Hart led with Bill Doss, the fourth member of that initial E6 circle — were the timeless ones, floating on a higher plane of endlessly hummable melodies and musique-concrete trapdoors. Simon Vozick-Levinson, Rolling Stone, 1 Dec. 2024 The moment Chris Martin fell through a trapdoor right in front of me at the #Coldplay concert tonight. David Matthews, New York Daily News, 4 Nov. 2024 But instead of using chemicals, public key cryptography uses mathematical puzzles called trapdoor functions. John Pavlus, Quanta Magazine, 15 Nov. 2024 See all Example Sentences for trapdoor 

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of trapdoor was in the 14th century

Dictionary Entries Near trapdoor

Cite this Entry

“Trapdoor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trapdoor. Accessed 30 Dec. 2024.

Kids Definition

trapdoor

noun
trap·​door ˈtrap-ˈdō(ə)r How to pronounce trapdoor (audio)
-ˈdȯ(ə)r
: a lifting or sliding door covering or hiding an opening in a roof, ceiling, or floor

More from Merriam-Webster on trapdoor

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