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Definition of caliper

caliper

/ˈkæl.ɪ.pɚ/
(UK: calliper)
cal · i · per

Plural:calipers
•
Past Simple:calipered
•
Past Participle:calipered
•
Present Participle:calipering
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caliper Lexical Profile

caliper Game Scores & Validity

• noun

1

An instrument with two hinged legs, resembling a pair of compasses, used for measuring the internal or external dimensions of an object.

Example

"The machinist used a digital caliper to measure the exact thickness of the metal sheet."


2

A component of a vehicle's disc brake system that houses the brake pads and pistons, straddling the rotor to slow or stop the wheel.

Example

"The mechanic noticed that the front left brake caliper was leaking fluid and needed an immediate replacement."


3

A metal support or splint fastened to the leg to aid walking or to correct a deformity.

Example

"After the severe fracture, she had to wear a caliper on her right leg for several months."

Synonyms
View all synonyms for caliper

• verb

1

To measure the dimensions or thickness of an object using a caliper.

Example

"He carefully calipered the pipe to ensure it would fit seamlessly into the existing plumbing fixture."

Word Nuance & Usage

When referring to the measuring tool, it is frequently used in the plural form 'calipers' (similar to 'scissors' or 'trousers'), though the singular 'caliper' is also standard, particularly for modern digital models.

• Rhymes for caliper

Word Origin & Etymology

Mid 16th century: an alteration of 'caliber', derived from the French 'calibre'. The spelling shifted as the word transitioned from denoting the bore or size of a projectile to the actual instrument used to measure it.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Caliper. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/caliper
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