- bolt
- I UK [bəʊlt] / US [boʊlt]
noun [countable]
Word forms "bolt":
singular bolt plural bolts
*
1) a metal bar that you slide across a door or window in order to lock it2) a type of screw without a point that is used for fastening things together and that screws into a small metal ring called a nutSee:nut I3) a long wide roll of clotha bolt of cloth/silk
4) a short heavy pointed stick that you shoot from a crossbow•a bolt from/out of the blue
— something that surprises you very much because you were not expecting it to happenIt was a bolt out of the blue when Alan resigned.
II UK [bəʊlt] / US [boʊlt] verb
Word forms "bolt":
present tense I/you/we/they bolt he/she/it bolts present participle bolting past tense bolted past participle bolted1) [transitive] to lock a door or window using a boltDid you remember to bolt the back door?
2) [transitive] to fasten two things together using a boltbolt something to something:bolt something together:The chairs were all bolted to the floor.
bolt something down (= fix something to the floor):The hut was made from metal units that had been bolted together.
The benches had been securely bolted down.
3)a) [intransitive] to run in a sudden way, especially because you are frightenedbolt out of/towards/for:There was a gunshot and the horse bolted.
She suddenly bolted towards the door.
b) [intransitive] to escape from a placeWhen the guard got back, he found the prisoner had bolted.
••See:4) bolt or bolt down[transitive] to eat food very quicklyShe bolted down her lunch and rushed back to work.
III UK [bəʊlt] / US [boʊlt] adverb
English dictionary. 2014.