What is the meaning of Lockup?

A jail cell; a period of incarceration in such a cell; a facility containing such cells.

A storage unit with a door secured by a padlock or deadbolt; a garage.

A condition in which one or more of a vehicle's wheels suddenly cease to rotate due to the application of excessive brake torque, causing the affected wheel(s) to skid.

A condition where a system stops responding to inputs; a freeze.

A device for locking type into position for printing.

A fixed layout involving one or more logos and possibly related text.

Source: wiktionary.org