lock up

Short definition from Wiktionary

Verb

1. 1
   To imprison or incarcerate (someone).
2. 2
   To put (something) away in a locked location for safekeeping; (occasionally, chiefly humorously) to sequester (a person) in a similar way.
3. 3
   To close (and often lock) all doors and windows (of a place) securely.
4. 4
   To lock (a door, window, etc.).
5. 5
   To cease responding.
6. 6
   To cause (a program) to cease responding or to freeze.
7. 7
   To stop moving; to seize.
8. 8
   To stop moving; to seize: To stop spinning due to excessive braking torque.
9. 9
   To lose one's forward momentum; to freeze.
10. 10
    To (mistakenly) cause or have one of one's wheels to lock up (stop spinning).
11. 11
    To invest in something long term.
12. 12
    To travel through a flight of locks on a waterway in an uphill direction.
13. 13
    To fasten quoins securely with a mallet and a shooting-stick.
14. 14
    To assure success in or control of (something).

Noun

1. 1
   Alternative form of lockup.