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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With its easily distinguished MacPherson front suspension—replacing the original torsion bar setup—and a curved windshield (the latter introduced in 1973), a Super Beetle is a good choice for collectors who want to use their bug regularly. Robert Ross, Robb Report, 12 Sep. 2025 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

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 24 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

More from Merriam-Webster on torsion bar

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