cotton root rot

noun

: a destructive wilting and browning disease of cotton and other plants in the Southwest caused by a fungus (Phymatotrichum omnivorum)

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