bleeding canker

noun

: a disease of hardwoods (such as maples) caused by a fungus (Phytophthora cactorum), characterized by the exudation of a reddish ooze from small cracks in cankers on the trunk and branches, and leading to wilting and branch dieback

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