torsion bar

American  

noun

1. a metal bar having elasticity when subjected to torsion: used as a spring in various machines and in automobile suspensions.

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torsion bar British  

noun

1. a metal bar acting as a torsional spring, esp as used in the suspensions of some motor vehicles

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Etymology

Origin of torsion bar

First recorded in 1945–50

Example Sentences

I prized the examples where I could see their minds at work, addressing a problem in a straightforward way, such as a simple piece of bent steel that served as the torsion bar on a tilt mechanism.

From Los Angeles Times

New wrinkles: torsion bar ride stabilizer for handling side-sway.

From Time Magazine Archive

Every ATV Wagon features: -Full Independent Suspension to handle the tough stuff using torsion bar axle technology.

From Time Magazine Archive