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camshaft

American  
[kam-shaft, -shahft] / ˈkæmˌʃæft, -ˌʃɑft /

noun

  1. Machinery. a shaft bearing integral cams.

camshaft British  
/ ˈkæmˌʃɑːft /

noun

  1. a shaft having one or more cams attached to it, esp one used to operate the valves of an internal-combustion engine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of camshaft

First recorded in 1875–80; cam 1 ( def. ) + shaft

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.