Phrase guide

epicyclic gear

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 system of gears that has a central gear wheel around which others rotate, often within an outer ring.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an outer gear that revolves about a central sun gear of an epicyclic train

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: planetary gear, planet wheel, planet gear

Antonyms: none provided

Broader terms: gear, gear wheel, geared wheel, cogwheel

History

Etymology

No etymology was provided for this word.