back shaft

noun

Definition of back shaft

1 : a countershaft driven by a back gear
2 : any shaft placed at the back of a machine

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First Known Use of back shaft

1847, in the meaning defined at sense 1

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The first known use of back shaft was in 1847

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Cite this Entry

“Back shaft.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/back%20shaft. Accessed 24 Jan. 2021.

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