: any of various measuring instruments having two usually adjustable arms, legs, or jaws used especially to measure diameter or thickness—usually used in plural
a pair of calipers
b
: a device for pressing a frictional material (such as a brake pad) against the sides of a rotating wheel or disc
2
: thickness especially of paper, cardboard, or a tree
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Noun
There's also a larger 280-mm disc mated to a Brembo floating caliper at the rear, and premium Brembo Stylema monobloc radial calipers with two 330-mm discs at the front for plenty of stopping power.—Abhimanyu Ghoshal, New Atlas, 8 Oct. 2025 Stopping power comes from titanium calipers clamping upgraded carbon-ceramic rotors.—Bojan Stojkovski, Interesting Engineering, 21 Sep. 2025
Verb
Standard Tornado Red calipers signal to the 99.999999 percent that this is indeed the V-8 trim.—Tony Markovich, Car and Driver, 12 Jan. 2018 See All Example Sentences for caliper
: a measuring instrument with two legs or jaws that can be adjusted to determine thickness, diameter, or distance between surfaces—usually used in plural
: any of various measuring instruments having two usually adjustable arms, legs, or jaws used to measure thickness, diameter, and distance between surfaces—usually used in plural
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