Definition of "Lock" :

noun: any wrestling hold in which some part of the opponent's body is twisted or pressured

noun: a fastener fitted to a door or drawer to keep it firmly closed

noun: a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key

noun: 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

noun: a mechanism that detonates the charge of a gun

noun: a strand or cluster of hair

verb: become rigid or immoveable

"The therapist noticed that the patient's knees tended to lock in this exercise."

verb: place in a place where something cannot be removed or someone cannot escape

"The parents locked her daughter up for the weekend."

verb: fasten with a lock

"Lock the bike to the fence."

verb: keep engaged

verb: become engaged or intermeshed with one another

"They were locked in embrace."

verb: hold in a locking position

"He locked his hands around her neck."

verb: build locks in order to facilitate the navigation of vessels

verb: hold fast (in a certain state)

"He was locked in a laughing fit."

verb: pass by means through a lock in a waterway