crankpin

noun
crank·​pin | \ ˈkraŋk-ˌpin How to pronounce crankpin (audio) \
plural crankpins

Definition of crankpin

: the cylindrical piece that projects from the arm of a crank and to which a connecting rod is attached (as in a reciprocating engine) — compare journal sense 3

First Known Use of crankpin

1839, in the meaning defined above

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The first known use of crankpin was in 1839

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Cite this Entry

“Crankpin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crankpin. Accessed 8 Aug. 2020.

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