- 1[transitive] to hold something tightly, or fasten two things together, with a clamp clamp A to B Clamp one end of the plank to the edge of the table. clamp A and B (together) Clamp the two halves together until the glue dries.
- 2[transitive, intransitive] to hold or fasten something very tightly so that it does not move; to be held tightly clamp something + adv./prep. He had a cigar clamped between his teeth. She clamped a pair of headphones over her ears. I clamped a hand on his shoulder. A mobile phone was clamped to her ear. + adv./prep. Her lips clamped tightly together. clamp (something) + adj. He clamped his mouth shut.
- 3[transitive, often passive] clamp something/somebody (British English) to fix a clamp (2) to a car’s wheel so that the car cannot be driven away Her car had been clamped. She’d been (= her car had been) clamped. Wordfinderclamp, cone, contraflow, pedestrian, roadworks, speed hump, tailback, toll, traffic, zebra crossing See related entries: Controlling traffic Word Origin Middle English: probably of Dutch or Low German origin and related to clam.Extra examples A large hand clamped over her mouth. Clamp the pieces of wood together while the glue sets. He clamped his hand firmly onto Jack’s shoulder. He had a large cigar clamped between his teeth. His mouth clamped shut. Parts are clamped in place with a special machine. She clamped her arms around him. The dog’s jaws were clamped to his leg. to clamp down hard on bullying Phrasal Verbsclamp downclamp something on somebody
BrE BrE//klæmp//; NAmE NAmE//klæmp//Verb Forms present simple I / you / we / they clamp
BrE BrE//klæmp//; NAmE NAmE//klæmp//he / she / it clamps
BrE BrE//klæmps//; NAmE NAmE//klæmps//past simple clamped
BrE BrE//klæmpt//; NAmE NAmE//klæmpt//past participle clamped
BrE BrE//klæmpt//; NAmE NAmE//klæmpt//-ing form clamping
BrE BrE//ˈklæmpɪŋ//; NAmE NAmE//ˈklæmpɪŋ//Controlling traffic