Phrase guide

rocker arm

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A valvetrain component that typically transfers the motion of a pushrod in an overhead valve internal combustion engine to the corresponding intake or exhaust valve.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, mechanical, mechanical-engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a lever pivoted at the center; used especially to push a valve down in an internal-combustion engine

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: valve rocker

Antonyms: none provided

Broader terms: lever

History

Etymology

No etymology was provided for this word.