idler pulley

noun

Definition of idler pulley

: a guide or tightening pulley for a belt or chain

First Known Use of idler pulley

circa 1890, in the meaning defined above

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The first known use of idler pulley was circa 1890

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Cite this Entry

“Idler pulley.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/idler%20pulley. Accessed 12 May. 2021.

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