crankshaft

noun

crank·​shaft ˈkraŋk-ˌshaft How to pronounce crankshaft (audio)
1
: a shaft driven by or driving a crank
2
: a shaft consisting of a series of cranks and crankpins to which the connecting rods of an engine are attached

Examples of crankshaft in a Sentence

Recent Examples on the Web
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According to the notice, the affected vehicles may have defective connecting rods or crankshaft components in the engine. Tahar Rajab, MSNBC Newsweek, 1 May 2025 Importantly, the latter car came with a more robust 2.5-liter engine using a seven-bearing crankshaft instead of one with only four main bearings. Robert Ross, Robb Report, 9 May 2025 The connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure, according to the recall notice. James Powel, USA Today, 6 May 2025 According to a report published by the National Highway Traffic Safety Administration, the defect is related to the connecting rod and/or crankshaft engine components and can lead to engine damage and engine failure. Abigail Wilt, Southern Living, 1 May 2025 See All Example Sentences for crankshaft

Word History

First Known Use

1854, in the meaning defined at sense 1

Time Traveler
The first known use of crankshaft was in 1854

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Cite this Entry

“Crankshaft.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crankshaft. Accessed 1 Jun. 2025.

Kids Definition

crankshaft

noun
crank·​shaft -ˌshaft How to pronounce crankshaft (audio)
: a shaft turning or driven by a crank or made up of a series of cranks

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