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A bolt on a lock that shifts only when the key or a small knob on one side of the lock is turned.
1. a locking bolt that is turned by the key rather than a spring
a. a type of lock that utilizes a bolt that has to be turned manually rather than by a spring
b. (as modifier): deadbolt locks.
3. (as modifier): deadbolt locks.
a lock bolt that is moved into position by the turning of a knob or key rather than by spring action.
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|Noun||1.||deadbolt - the part of a lock that is engaged or withdrawn with a key|
bar - a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon; "there were bars in the windows to prevent escape"
lock - a fastener fitted to a door or drawer to keep it firmly closed