back gear

noun

variants or back gearing

: the gearing at the headstock of a lathe for reducing the speed of the spindle from that of the driving pulley

back-geared

ˈ⸗¦⸗

adjective

Word History

First Known Use

1865, 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