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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Recent Examples of dead bolt from the Web
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Raccoon can slide dead bolts, lift latches and open regular eyehooks.
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Pittman ran to the door, locked the dead bolt and told her kids to get upstairs.
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The old front entry doors need an extra dead bolt for security.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dead bolt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of dead bolt
circa 1902
DEAD BOLT Defined for English Language Learners
dead bolt
Definition of dead bolt for English Language Learners
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: a lock with a heavy sliding bar that is moved by turning a knob or key
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