canker Meaning and Definition
1. n. a pernicious and malign influence that is hard to get rid of
2. n. an ulceration (especially of the lips or lining of the mouth)
3. n. a fungal disease of woody plants that causes localized damage to the bark
4. v. infect with a canker
5. v. become infected with a canker
Canker and anthracnose generally refer to many different plant diseases of such broadly similar symptoms as the appearance of small areas of dead tissue, which grow slowly, often over years.
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