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dead bolt

noun

Definition of dead bolt

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

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First Known Use of dead bolt

circa 1902

DEAD BOLT Defined for English Language Learners

dead bolt

noun

Definition of dead bolt for English Language Learners

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

Learn More about dead bolt

  1. See words that rhyme with dead bolt

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