v. To modify the firmware of an electronic device, especially a mobile phone, in order to remove restrictions that prevent it from running unofficial software.
the GNU version of the Collaborative International Dictionary of English
n. an escape from jail.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an escape from jail
Word Usage
"To secure a pliable news staff, he led what he called a "jailbreak" from his old employers, NBC, bringing dozens of top staffers with him to Fox News."