cam·​shaft | \ ˈkam-ˌshaft How to pronounce camshaft (audio) \

Definition of camshaft

: a shaft to which a cam is fastened or of which a cam forms an integral part

Examples of camshaft in a Sentence

Recent Examples on the Web To reduce the height of the engine, the cam cover now incorporates the upper camshaft bearing. Tony Quiroga, Car and Driver, 20 May 2021 Connecting rods and pistons are forged, and both crankshaft and camshaft are made from billet steel. Mike Duff, Car and Driver, 15 Dec. 2020 The overhead cam design, meaning the camshaft is inside the cylinder head instead of the engine block, provided numerous performance and efficiency improvements as well as much longer intervals between oil changes. Ben Stewart, Popular Mechanics, 9 Aug. 2020 The Porsche's problem will later be diagnosed as a nut that backed off the end of the right-bank camshaft, shearing a drive tooth, allowing the cam to stop turning altogether, and bending two valves. Larry Griffin, Car and Driver, 10 June 2020 Engine builder Dave Heitz of Advanced Transmissions bored the 440 big-block, upped the compression, and installed a Mopar Six Pack camshaft. Talon Homer, Car and Driver, 14 June 2020 But the internal motor is updated with pistons, rods, crankshaft and camshaft. Phoebe Wall Howard, Detroit Free Press, 11 Jan. 2020 Instead, each valve has an electric actuator that works a mini-camshaft, opening and closing each valve independently from the others. Matthew Jancer, Popular Mechanics, 6 Nov. 2018 In addition, overhead camshaft engines tend to have three or more valves per cylinder (the new Caddy 4.2L has four) versus two on most OHV engines, which is another airflow improvement. Matthew Jancer, Popular Mechanics, 28 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'camshaft.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of camshaft

1847, in the meaning defined above

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The first known use of camshaft was in 1847

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Last Updated

1 Jul 2021

Cite this Entry

“Camshaft.” Dictionary, Merriam-Webster, Accessed 29 Jul. 2021.

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English Language Learners Definition of camshaft

technical : a metal shaft or bar to which a cam is attached

More from Merriam-Webster on camshaft Encyclopedia article about camshaft


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