air cylinder

noun

: a cylinder in which air is compressed by a piston, in which compressed air is stored, or in which a piston is driven by air pressure

Word History

First Known Use

1779, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now