To imprison or incarcerate (someone). | To put (something) away in a locked location for safekeeping; (occasionally, chiefly humorously) 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. | To stop moving; to seize. | 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. | To assure success in or control of (something). | To enter a state of mechanical alignment.