We found 18 dictionaries that define the word rotary engine:

General (15 matching dictionaries)

1. rotary engine: Merriam-Webster
2. rotary engine: Oxford Learner's Dictionaries
3. rotary engine: American Heritage Dictionary of the English Language
4. rotary engine: Collins English Dictionary
5. rotary engine: Vocabulary.com
6. rotary engine: Wordnik
7. rotary engine: Wiktionary
8. rotary engine: The Wordsmyth English Dictionary-Thesaurus
9. rotary engine: Infoplease Dictionary
10. Rotary engine, rotary engine: Dictionary.com
11. Rotary-engine, Rotary engine (disambiguation), Rotary engine: Wikipedia, the Free Encyclopedia
12. rotary engine: Rhymezone
13. rotary engine: FreeDictionary.org
14. rotary engine: Mnemonic Dictionary
15. rotary engine: TheFreeDictionary.com

Computing (1 matching dictionary)

16. Rotary-engine, rotary engine: Encyclopedia

Slang (1 matching dictionary)

17. rotary engine: Urban Dictionary

Tech (1 matching dictionary)

18. AUTOMOTIVE TERMS (No longer online)

(Note: See rotary_engines as well.)

Definitions from Wiktionary (rotary engine) ▸ noun:  Any of several types of internal combustion engine in which the power output is directly rotational. Similar: radial engine, internal combustion engine, race rotation, internal-combustion engine, piston engine, reaction engine, reciprocating engine, combustion engine, Otto engine, jet engine, more... Phrases: wankel rotary engine, Pistonless rotary engine, more... ▸ Words similar to rotary engine ▸ Usage examples for rotary engine ▸ Idioms related to rotary engine ▸ Wikipedia articles (New!) ▸ Words that often appear near rotary engine ▸ Rhymes of rotary engine ▸ Invented words related to rotary engine