rocker arm
noun
Pronunciation: ˈrɒkər ˌɑːrm
Definition
An oscillating lever in an internal combustion engine that transfers motion from the pushrod or camshaft to the valve stem.
Examples
The mechanic noticed that the rocker arm was loose, causing a ticking sound in the engine.
High-performance engines often use roller rocker arms to reduce friction at high speeds.
If a rocker arm breaks, the valve will not open, leading to a loss of power in that cylinder.
Synonyms of rocker arm
Words with a similar meaning to rocker arm:
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