Cercospora leaf spot

noun

: any of several leaf spots caused by fungi of the genus Cercospora (as sigatoka, beet leaf spot, and early blight of celery) compare gray mold

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