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