pushrod

or push rod

[ poosh-rod ]

noun

, Automotive.

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

pushrod

/ ˈpʊʃˌrɒd /

noun

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

Word History and Origins

Origin of pushrod¹

First recorded in 1905–10; push + rod

Example Sentences

The valves are placed directly in the cylinder head and are operated by a common pushrod.

From Project Gutenberg

The hinged cam follower was omitted and the pushrod bore directly on the cam through a roller in its end.

From Project Gutenberg