S: (n) lock (a mechanism that detonates the charge of a gun)
S: (n) lock, lock chamber (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)
S: (n) lock, ignition lock (a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key)
S: (n) lock (any wrestling hold in which some part of the opponent's body is twisted or pressured)
Verb
S: (v) lock (fasten with a lock) "lock the bike to the fence"
S: (v) embrace, hug, bosom, squeeze (hold (someone) tightly in your arms, usually with fondness) "Hug me, please"; "They embraced"; "He hugged her close to him"
S: (v) lock (hold fast (in a certain state)) "He was locked in a laughing fit"
S: (v) lock in, lock away, lock, put away, shut up, shut away, lock up (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"
S: (v) lock (pass by means through a lock in a waterway)
S: (v) lock (build locks in order to facilitate the navigation of vessels)