lock -- (a mechanism that detonates the charge of a gun)
lock, lock chamber -- (enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it)
lock, ignition lock -- (a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key)
lock -- (any wrestling hold in which some part of the opponent's body is twisted or pressured)
Overview of verb lock
The verb lock has 9 senses
lock -- (fasten with a lock; "lock the bike to the fence")
lock -- (become rigid or immoveable; "The therapist noticed that the patient's knees tended to lock in this exercise")
lock, interlock, interlace -- (hold in a locking position; "He locked his hands around her neck")
interlock, lock -- (become engaged or intermeshed with one another; "They were locked in embrace")
lock -- (hold fast (in a certain state); "He was locked in a laughing fit")
lock in, lock away, lock, put away, shut up, shut away, lock up -- (place in a place where something cannot be removed or someone cannot escape; "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe")
lock -- (pass by means through a lock in a waterway)
lock -- (build locks in order to facilitate the navigation of vessels)