going barrel

noun

: a mainspring barrel in a watch or clock that has teeth on its periphery for driving the train and that is mounted on an arbor which is stationary except during winding

The Ultimate Dicitonary 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