Merriam-Webster Logo
SINCE 1828
dictionary thesaurus view recents

air engine

noun
Save Word

Definition of air engine

1 : an engine built like a steam engine but driven by compressed air
2 : hot-air engine

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of air engine

1740, in the meaning defined at sense 1

Keep scrolling for more

Learn More about air engine

Time Traveler for air engine

Time Traveler

The first known use of air engine was in 1740

See more words from the same year

Statistics for air engine

Cite this Entry

“Air engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20engine. Accessed 6 Jul. 2020.

Comments on air engine

What made you want to look up air engine? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

legerdemain

Listen to the pronunciation of legerdemain

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog hot dog hot dog hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play
Ask the Editors
Word Games