noun A jail cell; a period of incarceration in such a cell; a facility containing such cells.
He's in lockup for 30 days for drunk and disorderly.
noun A storage unit with a door secured by a padlock or deadbolt; a garage.
Joe keeps his other car in a lockup downtown.
noun 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.
noun A condition where a system stops responding to inputs; a freeze.
Opcode $02 on the MOS 6502 causes a processor lockup if executed.
noun A device for locking type into position for printing.
noun A fixed layout involving one or more logos and possibly related text.
noun A contractual restriction that prevents certain shareholders, typically company insiders, early investors, or employees, from selling or transferring their shares for a specified period after an event such as an initial public offering