pentrough

noun

: an open usually planked or boarded trough or tank from which water falls onto a waterwheel

Word History

Etymology

pen entry 1 + trough

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