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jailbreak

[jeyl-breyk]
noun
  1. an escape from prison, especially by forcible means.
  2. Digital Technology.
    1. an instance of gaining access to the operating system of a smartphone, tablet, etc., especially one manufactured by Apple.
    2. a software program or piece of hardware used to accomplish this: You'll need a jailbreak to run unauthorized apps.
    3. an instance of circumventing restrictions on access to any computer system or digital content.
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verb (used with object), jail·broke [jeyl-brohk] /ˈdʒeɪlˌbroʊk/, jail·brok·en [jeyl-broh-kuh n] /ˈdʒeɪlˌbroʊ kən/, jail·break·ing.
  1. Digital Technology. to gain access to the operating system of (a smartphone, tablet, etc., especially an Apple device), usually in order to run modified or unauthorized software.Compare root1(def 22a).
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verb (used without object), jail·broke [jeyl-brohk] /ˈdʒeɪlˌbroʊk/, jail·brok·en [jeyl-broh-kuh n] /ˈdʒeɪlˌbroʊ kən/, jail·break·ing.
  1. Digital Technology. to engage in this practice: Manufacturers are trying to prevent jailbreaking.Compare root1(def 24).
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Origin of jailbreak

An Americanism dating back to 1905–10; jail + break
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for jailbroken

jailbreak

noun
  1. Also: gaolbreak an escape from jail
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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

Word Origin and History for jailbroken

jailbreak

n.

also jail-break, "prison escape," 1872, perhaps 1828, from jail (n.) + break (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper