crankpin

noun

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

Word History

First Known Use

1839, in the meaning defined above

Time Traveler
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 28 Feb. 2025.

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