lockup

1. A jail cell; a period of incarceration in such a cell; a facility containing such cells. (countable, slang, uncountable) · He's in lockup for 30 days for drunk and disorderly.
2. 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. (countable, uncountable)
3. A condition where a system stops responding to inputs; a freeze. (countable, uncountable) · Opcode $02 on the MOS 6502 causes a processor lockup if executed.
4. A device for locking type into position for printing. (countable, uncountable)
5. A fixed layout involving one or more logos and possibly related text. (countable, uncountable)
6. 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 (countable, uncountable)

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