rocker arm

noun

Definition of rocker arm

: a center-pivoted lever actuated by a cam to push an automotive engine valve down

Examples of rocker arm in a Sentence

Recent Examples on the Web

Salvatore Vicari, the works council chief at Schaeffler’s Homburg plant, said over the din of clanking and whirring machines transforming metal bands into rocker arms that help combustion engines save fuel. — Bloomberg.com, "The Town on the Front Lines of Germany’s Battle to Preserve its Industrial Future," 28 Mar. 2018 When deployed, the unit stretches 15.5 feet and uses rocker arms to tilt the spikes into the tire at the correct angle, ensuring maximum penetration. — David Beard, Car and Driver, "Chase Enders: Police Spike Strips Tested!," 31 Aug. 2017

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