torsion bar

noun

: a long metal element in an automobile suspension that has one end held rigidly to the frame end and the other twisted and connected to the axle and that acts as a spring

Examples of torsion bar in a Sentence

Recent Examples on the Web
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Additionally, the torsion bars that sprung those trailing arms were now located all the way at the rear. Jonathan M. Gitlin, Ars Technica, 3 Oct. 2023 Both also share front unequal-length control arms and torsion bars. Phil Berg, Car and Driver, 5 Sep. 2023 The suspension incorporates double wishbones with inboard torsion bar dampening, while braking is provided by a set of six-piston monobloc aluminum calipers and carbon brake discs and pads. Bryan Hood, Robb Report, 22 Aug. 2022

Word History

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of torsion bar was in 1937

Cite this Entry

“Torsion bar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/torsion%20bar. Accessed 10 Sep. 2025.

Kids Definition

torsion bar

noun
: a long metal piece in an automobile suspension that has one end firmly attached to the frame and the other twisted and connected to the axle and that acts as a spring

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