Sekirov Dictionary

deadbolt

/ˈdɛdˌboʊ̯lt/

noun 2
verb 1
forms 3

noun2

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.
The part of the lock which is moved when the key is engaged.

verb1

To fasten or secure with a deadbolt.

forms

deadbolted · deadbolting · deadbolts

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