The noun lock has 6 senses (first 3 from tagged texts)
1. (6) lock -- (a fastener fitted to a door or drawer to keep it firmly closed)
2. (2) lock, curl, ringlet, whorl -- (a strand or cluster of hair)
3. (1) lock -- (a mechanism that detonates the charge of a gun)
4. 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)
5. 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)
6. 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 (first 7 from tagged texts)
1. (8) lock -- (fasten with a lock; "lock the bike to the fence")
3. (4) lock -- (become rigid or immoveable; "The therapist noticed that the patient's knees tended to lock in this exercise")
4. (2) lock, interlock, interlace -- (hold in a locking position; "He locked his hands around her neck")
5. (2) interlock, lock -- (become engaged or intermeshed with one another; "They were locked in embrace")
6. (1) lock -- (hold fast (in a certain state); "He was locked in a laughing fit")
7. (1) 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")
8. lock -- (pass by means through a lock in a waterway)
9. lock -- (build locks in order to facilitate the navigation of vessels)