idler wheel


: a wheel, gear, or roller used to transfer motion or to guide or support something

Illustration of idler wheel

Illustration of idler wheel
  • idler wheel 1

Word History

First Known Use

1929, in the meaning defined at sense 1

Time Traveler
The first known use of idler wheel was in 1929

Dictionary Entries Near idler wheel

Cite this Entry

“Idler wheel.” Dictionary, Merriam-Webster, Accessed 21 Jun. 2024.

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