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English definition of “bolt”

bolt

verb [I or T] (LOCK)    /bəʊlt/ US  /boʊlt/
to lock a door or window by sliding a bolt across: Have you locked and bolted the door? The door bolts on the inside.Locking and bolting
(Definition of bolt verb (LOCK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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