lockbox
Americannoun
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a strongbox.
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a rented post office box equipped with a lock.
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Also called lockout box. Television. a closed box, usually fitted with a lock, containing electronic equipment to unscramble cable television pictures for subscribers only: used especially to prevent children from watching programs with explicit sexual content.
Etymology
Origin of lockbox
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Slaymaker said while "extreme", a lockbox for mobile phones would help improve the cinema experience.
From BBC ● May 21, 2026
The handwritten formula is kept in a lockbox at an undisclosed Bank of America location in San Diego.
From The Wall Street Journal ● Jan. 26, 2026
The thing about Mr. Foreman is that he's like a deep, deep lockbox.
From Salon ● Apr. 29, 2023
In January, the Atlanta City Council passed an ordinance seeking to create a lockbox giveaway program.
From New York Times ● Mar. 25, 2023
He laughed a little, but there was something guarded about it, like there were things he was keeping hidden away in a mental lockbox.
From "When Dimple Met Rishi" by Sandhya Menon
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
