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English definition of “bolt”

bolt

noun [C]     /bəʊlt/
FOR LOCKING a metal bar that you push across a door or window to lock itLocking and bolting
FOR FASTENING a small piece of metal that is used with a nut (= metal piece with a hole in the middle) to fasten pieces of wood or metal together → See also the nuts and boltsToolsGardening tools
(Definition of bolt noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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