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caliper

[kal-uh-per] /ˈkæl ə pər/
noun
1.
Usually, calipers. an instrument for measuring thicknesses and internal or external diameters inaccessible to a scale, consisting usually of a pair of adjustable pivoted legs.
2.
any of various calibrated instruments for measuring thicknesses or distances between surfaces, usually having a screwed or sliding adjustable piece.
Compare vernier caliper.
3.
thickness or depth, as of paper or a tree.
4.
Usually, calipers. the pincers of an earwig.
5.
Automotive. the part of a disc-brake assembly that straddles the disc and presses the brake pads against it.
6.
a similar part used with a hand brake on a bicycle.
verb (used with object)
7.
to measure with calipers.
verb (used without object)
8.
to use calipers.
Also, calliper.
Origin
1580-1590
1580-90; presumably variant of caliber
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for calipering

caliper

/ˈkælɪpə/
noun
1.
the usual US spelling of calliper
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 calipering

caliper

n.

1620s, short for calliper compass (1580s), a device used to measure caliber (q.v.). Related: Calipers.

Online Etymology Dictionary, © 2010 Douglas Harper
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calipering in Medicine

caliper cal·i·per or cal·li·per (kāl'ə-pər)
n.
An instrument consisting essentially of two curved hinged legs, used to measure thickness and distances.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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calipering in Science
caliper
  (kāl'ə-pər)   

An instrument consisting of two curved legs connected at a hinge, used to measure thickness and distance. Often used in the plural as calipers.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Value for calipering

15
20
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