From Longman Dictionary of Contemporary Englishboltbolt1 /bəʊlt $ boʊlt/ ●●○ noun [countable] 1 lockDH a metal bar that you slide across a door or window to fasten it2 
screwTD a screw with a flat head and no point, for fastening things together3 → a bolt from/out of the blue4 → bolt of lightning5 → make a bolt for it6 weaponPMW a short heavy arrow that is fired from a crossbow7 clothTIM a large long roll of cloth → have shot your bolt at shoot1(24), → the nuts and bolts of something at nut1(6)
screwTD a screw with a flat head and no point, for fastening things together3 → a bolt from/out of the blue4 → bolt of lightning5 → make a bolt for it6 weaponPMW a short heavy arrow that is fired from a crossbow7 clothTIM a large long roll of cloth → have shot your bolt at shoot1(24), → the nuts and bolts of something at nut1(6)Examples from the Corpus
bolt• Atop a mountain he slew his daughter, then was immediately struck dead by a bolt of lightning.• One spring morning two anchor bolts were inserted in the footings that were to receive the first steel column.• There was a sound of soft footsteps, of chains being loosened and bolts drawn back.• The skies darkened and lightning bolts split the sky.• He went around for about ten months with this big metal bolt going in here and coming out here!• Respect established climbing traditions in ethical matters such as the use of chalk, pitons, bolts etc.• Investigators could not check the bolts because they had fallen into the sea.boltbolt2 ●○○ verb 1 [intransitive] to suddenly run somewhere very quickly, especially in order to escape or because you are frightened The horse reared up and bolted. Kevin had bolted through the open window.► see thesaurus at run2 [transitive] (also bolt down)DF to eat very quickly SYN gobble He bolted down his breakfast.3 JOIN something TOGETHER[transitive] to fasten two things together using a boltbolt something to something The cell contained an iron bedframe bolted to the floor.bolt something together The boxes were made of heavy panels of metal bolted together.4 [transitive]DH to lock a door or window by sliding a bolt across→ See Verb tableExamples from the Corpus
bolt• One of the horses got into a panic and bolted.• When police approached him to ask him some questions, he bolted.• My husband always bolts all the doors before going to bed.• I bolted down my breakfast and was out the door by 8:00.• He was whisked away as his audience bolted for the exits.• Suddenly a fox bolted from beneath a hedge.• His brutish, stupid face was blotchy with fear now and his eyes were bolting from his head.• The dog bolted into the road, into the oncoming traffic.• Louie wailed, bolting off the steps into his house.• A low hissing filled the room as she bolted out and slammed the door.• Before I could say a word, she turned and bolted out the front door.• All the doors were locked and bolted so I climbed out through the kitchen window and dropped into a bed of lavender.• Jason bolted the door and closed all the curtains.• Rules and codes bolting the social structure tightly into place.• A thin steel cord was bolted to the beam that supported the boxcar roof.bolt something to something• A wrought-iron bench was bolted to the patio.boltbolt3 adverb → sit/stand bolt uprightExamples from the Corpus
bolt• He sat bolt upright and kept his eyes on the table in front of him.• Suddenly I sit bolt upright, feeling a familiar stab of panic that can mean only one thing: the videos!From Longman Business Dictionaryboltbolt /bəʊltboʊlt/ noun [countable] MANUFACTURING a large roll containing many metres of clothOrigin bolt1 Old English “short arrow” 