deadbolt
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English
Etymology
Noun
deadbolt (plural deadbolts)
- The part of the lock which is moved when the key is engaged.
- A kind of lock in which the bolt (moving portion) is held in position by the cylinder rather than by a spring and so cannot be retracted except by turning the cylinder.
Verb
deadbolt (third-person singular simple present deadbolts, present participle deadbolting, simple past and past participle deadbolted)
- (transitive) To fasten or secure with a deadbolt.