timing belt

noun
plural timing belts

Definition of timing belt

: a belt that connects the camshaft and the crankshaft in a vehicle engine (as in an automobile) and coordinates the opening and closing of the engine's valves Honda recommends that the timing belt be replaced at 105,000 miles.— John Paul The timing belt is a lot smaller and cheaper than a transmission or an engine, but it is an essential car part nonetheless.— Melissa Thompson — compare timing chain

First Known Use of timing belt

1950, in the meaning defined above

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The first known use of timing belt was in 1950

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Cite this Entry

“Timing belt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/timing%20belt. Accessed 22 Sep. 2020.

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