Phrase guide

rotary engine

noun · 3 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

Any of several types of internal combustion engine in which the power output is directly rotational.

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 internal-combustion engine having cylinders arranged radially around a central crankcase

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: radial engine

Antonyms: none provided

Broader terms: internal-combustion engine, ICE

3

noun

Meaning 3

an internal-combustion engine in which power is transmitted directly to rotating components

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: internal-combustion engine, ICE

Narrower terms: turbine, Wankel engine, Wankel rotary engine, epitrochoidal engine

History

Etymology

No etymology was provided for this word.

Across languages

Translations

4 source translations are retained for this English entry.

  • Dutch: rotatiemotor — type of engine
  • Finnish: kiertomoottori — type of engine
  • German: Umlaufmotor — type of engine
  • Polish: silnik rotacyjny — type of engine