[ 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.
- a horizontal timber in a wooden hull, secured to ribs to support deck beams and to provide longitudinal strength.
- mast clamp.
verb (used with object)
to fasten with or fix in a clamp.
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.
Origin of clamp
1350–1400; Middle English (noun) < Middle Dutch clampe clamp, cleat; cognate with Middle Low German klampe
Related formsun·clamped, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for clamp down on (1 of 2)
/ (klæmp) /
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
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 forcefullythey clamped a curfew on the town
Word Origin for clamp
C14: from Dutch or Low German klamp; related to Old English clamm bond, fetter, Old Norse kleppr lump
British Dictionary definitions for clamp down on (2 of 2)
/ (klæmp) British agriculture /
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
(tr) to enclose (a harvested root crop) in a mound
Word Origin for clamp
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
Medicine definitions for clamp down on
[ klămp ]
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.
Idioms and Phrases with clamp down on
clamp down on
Also, put the clamps on. Become stricter or more repressive; put a stop to. For example, The company was clamping down on expenses like business lunches, or It's time we put the clamps on polluters. [Mid-1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.