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[klamp] /klæmp/
a device, usually of some rigid material, for strengthening or supporting objects or fastening them together.
an appliance with opposite sides or parts that may be adjusted or brought closer together to hold or compress something.
one of a pair of movable pieces, made of lead or other soft material, for covering the jaws of a vise and enabling it to grasp without bruising.
Also called clamp rail. Carpentry. a rail having a groove or a number of mortises for receiving the ends of a number of boards to bind them into a flat piece, as a drawing board or door.
  1. a horizontal timber in a wooden hull, secured to ribs to support deck beams and to provide longitudinal strength.
  2. mast clamp.
verb (used with object)
to fasten with or fix in a clamp.
Verb phrases
clamp down, to become more strict:
There were too many tax loopholes, so the government clamped down.
clamp down on, to impose or increase controls on.
1350-1400; Middle English (noun) < Middle Dutch clampe clamp, cleat; cognate with Middle Low German klampe
Related forms
unclamped, adjective
6. clinch, clench, secure. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for clamped
  • We roller skated with them clamped to our shoes, rode our bikes, walked all the way to school every school day on the sidewalks.
  • Iron hooks are clamped into their walls for the purpose of stretching a net from one tower to the other.
  • The trousers to his street suit were placed between the boards and the boards were clamped together with heavy screws.
  • In turn, he has clamped down on the media to limit the spread of the demonstrators' ideas.
  • In addition, the dissemination instrument is not situated in one central place that can be clamped down on easily.
  • The van, providentially, had not been clamped or towed.
  • He'd clamped his legs around her body, and the couple had spiralled down to the ground.
  • But the team found a way to expose the spike's neck, which apparently does not mutate, and picked antibodies that clamped onto it.
  • Many have kept their tiny petals clamped shut, hiding the carpels within.
  • Otherwise the mounts moved out of place when clamped individually.
British Dictionary definitions for clamped


a mechanical device with movable jaws with which an object can be secured to a bench or with which two objects may be secured together
See also wheel clamp
a means by which a fixed joint may be strengthened
(nautical) a horizontal beam fastened to the ribs for supporting the deck beams in a wooden vessel
verb (transitive)
to fix or fasten with or as if with a clamp
to immobilize (a car) by means of a wheel clamp
to inflict or impose forcefully: they clamped a curfew on the town
Word Origin
C14: from Dutch or Low German klamp; related to Old English clamm bond, fetter, Old Norse kleppr lump


a mound formed out of a harvested root crop, covered with straw and earth to protect it from winter weather
a pile of bricks ready for processing in a furnace
(transitive) to enclose (a harvested root crop) in a mound
Word Origin
C16: from Middle Dutch klamp heap; related to clump
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for clamped



device for fastening, c.1300, probably from clamb, perhaps originally past tense of climb (v.), or from Middle Dutch clampe (Dutch klamp), from West Germanic *klamp- "clamp, cleat;" cf. Middle Low German klampe "clasp, hook," Old High German klampfer "clip, clamp;" also probably related to Middle Dutch klamme "a clamp, hook, grapple," Danish klamme "a clamp, cramp," Old English clamm "fetter;" see clam (n.).


"to fasten with a clamp," 1670s, from clamp (n.). Related: Clamped; clamping.

Online Etymology Dictionary, © 2010 Douglas Harper
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clamped in Medicine

clamp (klāmp)
An instrument for the compression or grasping of a structure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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