/ˈdʒeɪlˌbreɪks/
NOUN
Acts of escaping from jail or prison, usually by overcoming security measures or breaking out of confinement.
Successful or attempted escapes by prisoners from jails or other correctional facilities.
Situations involving narrowly avoiding capture, danger, or an unfavorable outcome.
Acts of freeing people from confinement, captivity, or restrictive circumstances.
VERB
To escape from jail or prison, or to modify an electronic device's firmware to remove restrictions preventing it from running unofficial software.
To break out of a correctional facility and evade confinement.
To modify a device's firmware or operating system to remove manufacturer-imposed restrictions and allow unofficial software to run.