pushrod

or push rod

[ poo sh-rod ]
/ ˈpʊʃˌrɒd /

noun Automotive.

a rod in an overhead-valve engine that is part of the linkage used to open and close the valves.

Origin of pushrod

First recorded in 1905–10; push + rod
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for pushrod

pushrod

/ (ˈpʊʃˌrɒd) /

noun

a metal rod transmitting the reciprocating motion that operates the valves of an internal-combustion engine having the camshaft in the crankcase
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