dead bolt

noun
Updated on: 21 Apr 2018

Definition of dead bolt

: a lock bolt that is moved by turning a knob or key without action of a spring

Recent Examples of dead bolt from the Web

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First Known Use of dead bolt

circa 1902

in the meaning defined above

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DEAD BOLT Defined for English Language Learners

dead bolt

Definition of dead bolt for English Language Learners

  • : a lock with a heavy sliding bar that is moved by turning a knob or key


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