Noun
1. a fastener fitted to a door or drawer to keep it firmly closed
2. a strand or cluster of hair
3. a mechanism that detonates the charge of a gun
4. 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. a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key
6. any wrestling hold in which some part of the opponent's body is twisted or pressured
Verb
1. fasten with a lock;
"lock the bike to the fence"2. keep engaged;
"engaged the gears"3. become rigid or immoveable;
"The therapist noticed that the patient's knees tended to lock in this exercise"4. hold in a locking position;
"He locked his hands around her neck"5. become engaged or intermeshed with one another;
"They were locked in embrace"6. hold fast (in a certain state);
"He was locked in a laughing fit"7. 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. pass by means through a lock in a waterway
9. build locks in order to facilitate the navigation of vessels