HyperDic: rocker_arm

English > 1 sense of the expression rocker arm:
NOUNartifactrocker arm, valve rockera lever pivoted at the center
English > rocker arm: 1 sense > noun 1, artifact
MeaningA lever pivoted at the center; used especially to push a valve down in an internal-combustion engine.
Synonymvalve rocker
BroaderleverA rigid bar pivoted about a fulcrum
Spanishbalancín

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