Definition of air engine
1
: an engine built like a steam engine but driven by compressed air
2
: hot-air engine
Test Your Vocabulary
Odd Habits and Quirks
-
- Which of the following best describes an easily irritated person?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share air engine
Time Traveler for air engine
The first known use of air engine was in 1740
See more words from the same year