bolt Meaning, definition in Cambridge English Dictionary
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Meaning of "bolt" - English Dictionary

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boltnoun [C]

uk   /bəʊlt/  us   /boʊlt/

bolt noun [C] (LOCK)

a metal bar on a door or window that slides across to lock it closed: I closed the window and drew the bolt (= slid the bolt across).

bolt noun [C] (SCREW)

a screw-like metal object without a point, used with a nut to fasten things together

bolt noun [C] (LIGHTNING)

a flash of lightning that looks like a white line against the sky: The house next to ours was struck by a bolt of lightning.
See also

bolt noun [C] (ROLL)

a length or roll of cloth or wallpaper

bolt noun [C] (WEAPON)

a type of short arrow shot from a crossbow (= a type of weapon)

bolt noun [C] (QUICK MOVEMENT)

make a bolt for somewhere to try to escape by running towards something: The thief tried to make a bolt for the exit.

boltverb

uk   /bəʊlt/  us   /boʊlt/

bolt verb (MOVE QUICKLY)

[I] to move very fast, especially as a result of being frightened: Frightened by the car horn, the horse bolted.

bolt verb (EAT)

[T] (also bolt down) to eat food very quickly: Don't bolt your food like that - you'll get indigestion.

bolt verb (LOCK)

[I or T] to lock a door or window by sliding a bolt across: Have you locked and bolted the door? The door bolts on the inside.

bolt verb (SCREW)

[T usually + adv/prep] to fasten something in position with a bolt: On a ship the furniture is often bolted to the deck.
Phrasal verbs
(Definition of bolt from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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