What is the meaning of Lock_up?

To imprison or incarcerate (someone).

To put (something) away in a locked location for safekeeping; to sequester (a person) in a similar way.

To close (and often lock) all doors and windows (of a place) securely.

To lock (a door, window, etc.).

To cease responding.

To cause (a program) to cease responding or to freeze.

To stop moving; to seize.

  1. (of a wheel) To stop spinning due to excessive braking torque.

(of a wheel) To stop spinning due to excessive braking torque.

To lose one's forward momentum; to freeze.

To (mistakenly) cause or have one of one's wheels to lock up (stop spinning).

To invest in something long term.

To travel through a flight of locks on a waterway in an uphill direction.

To fasten quoins securely with a mallet and a shooting-stick.

Source: wiktionary.org