lock-up

noun

• 1a jail, especially a temporary one.

• 2British non-residential premises that can be locked up, typically a small shop or garage: [as modifier]:a lock-up garage

• 3 [mass noun] the locking up of premises for the night.
• the time when premises are locked up:hurrying back to their houses before lock-up

• 4 [mass noun] the action of becoming fixed or immovable:anti-lock braking helps prevent wheel lock-up

• 5an investment in assets which cannot readily be realized or sold on in the short term.