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clamp

[klamp]
noun
  1. a device, usually of some rigid material, for strengthening or supporting objects or fastening them together.
  2. an appliance with opposite sides or parts that may be adjusted or brought closer together to hold or compress something.
  3. 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.
  4. 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.
  5. Nautical.
    1. a horizontal timber in a wooden hull, secured to ribs to support deck beams and to provide longitudinal strength.
    2. mast clamp.
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verb (used with object)
  1. to fasten with or fix in a clamp.
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Verb Phrases
  1. clamp down, to become more strict: There were too many tax loopholes, so the government clamped down.
  2. clamp down on, to impose or increase controls on.
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Origin of clamp

1350–1400; Middle English (noun) < Middle Dutch clampe clamp, cleat; cognate with Middle Low German klampe
Related formsun·clamped, adjective

Synonyms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

impose, clench, grip, snap, nipper, lock, vice, catch, bracket, press, hold, clasp, fix, clinch, brace, secure

Examples from the Web for clamping

Contemporary Examples

Historical Examples

  • Or I poked people in the back with the frames while I was clamping them.

    Working With the Working Woman

    Cornelia Stratton Parker

  • There was a mouse swelling above his eye, the lids were clamping.

    Rimrock Trail

    J. Allan Dunn

  • D the important features of such a method of clamping will be understood.

    Toy Craft

    Leon H. Baxter

  • The clamping device for the slide is made of two bars, 1 in.

  • "With difficulty," Petra said, taking another step and clamping her teeth.

    Captives of the Flame

    Samuel R. Delany


British Dictionary definitions for clamping

clamp1

noun
  1. 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
  2. See also wheel clamp
  3. a means by which a fixed joint may be strengthened
  4. nautical a horizontal beam fastened to the ribs for supporting the deck beams in a wooden vessel
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verb (tr)
  1. to fix or fasten with or as if with a clamp
  2. to immobilize (a car) by means of a wheel clamp
  3. to inflict or impose forcefullythey clamped a curfew on the town
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Word Origin

C14: from Dutch or Low German klamp; related to Old English clamm bond, fetter, Old Norse kleppr lump

clamp2

noun
  1. a mound formed out of a harvested root crop, covered with straw and earth to protect it from winter weather
  2. a pile of bricks ready for processing in a furnace
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verb
  1. (tr) to enclose (a harvested root crop) in a mound
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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

Word Origin and History for clamping

clamp

n.

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.).

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clamp

v.

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

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Online Etymology Dictionary, © 2010 Douglas Harper

clamping in Medicine

clamp

(klămp)
n.
  1. An instrument for the compression or grasping of a structure.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.