lock

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

Any wrestling hold in which some part of the opponent's body is twisted or pressured.

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.

A strand or cluster of hair.

A fastener fitted to a door or drawer to keep it firmly closed.

A mechanism that detonates the charge of a gun.

Become rigid or immoveable.

“The therapist noticed that the patient's knees tended to lock in this exercise”

Build locks in order to facilitate the navigation of vessels.

Fasten with a lock.

“lock the bike to the fence”

Hold fast (in a certain state).

“He was locked in a laughing fit”

Pass by means through a lock in a waterway.

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”

Hold in a locking position.

“He locked his hands around her neck”

Keep engaged.

Become engaged or intermeshed with one another.

“They were locked in embrace”