In dodgeball and related games, the area where players who have been struck by the ball are confined.
Confinement in a jail.
A kind of sandbox for running a guest operating system instance.
A place or institution for the confinement of persons held against their will in lawful custody or detention, especially (in US usage) a place where people are held for minor offenses or with reference to some future judicial proceeding.
The condition created by the requirement that a horse claimed in a claiming race not be run at another track for some period of time (usually 30 days).
To imprison.
To loosen or undo (something that entangles, fastens, holds, or interlocks).
To free (someone or something) from a constraint; (figuratively) to release (something which has been suppressed, such as emotions or objectionable things).
To relax or slacken (something that clasps or grips, such as the arms or hands).
To become loose or come off.
To free from a constraint.