Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “camshaft”


noun [C]     /ˈkæm.ʃɑːft/ US  /-ʃæft/
a device that causes the valves of an engine to open or close at the correct timeThe engine and engine partsEngines and motors
(Definition of camshaft noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of camshaft

Translations of “camshaft”

Word of the Day


friendly or helpful

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More