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