lock

lock (http://definr.com/lock)

     n 1: a fastener fitted to a door or drawer to keep it firmly
          closed
     2: a strand or cluster of hair [syn: curl, ringlet, whorl]
     3: a mechanism that detonates the charge of a gun
     4: 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 [syn: lock chamber]
     5: a restraint incorporated into the ignition switch to prevent
        the use of a vehicle by persons who do not have the key
        [syn: ignition lock]
     6: any wrestling hold in which some part of the opponent's body
        is twisted or pressured
     v 1: fasten with a lock; "lock the bike to the fence" [ant: unlock]
     2: keep engaged; "engaged the gears" [syn: engage, mesh, operate]
        [ant: disengage]
     3: become rigid or immoveable; of bones; "Don't lock your knees
        in this exercise" [ant: unlock]
     4: hold in a locking position: "He locked his hands around her
        neck" [syn: interlock, interlace]
     5: become engaged or intermeshed with one another; "They were
        locked in embrace" [syn: interlock]
     6: hold fast (in a certain state); "He was locked in a laughing
        fit"
     7: 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"
        [syn: lock in, lock away, put away, shut up, {shut
        away}, lock up]
     8: pass by means through a lock in a waterway
     9: build locks in order to facilitate the navigation of vessels