a fungal disease of woody plants that causes localized damage to the bark
an ulceration (especially of the lips or lining of the mouth)
a pernicious and malign influence that is hard to get rid of
"racism is a pestilence at the heart of the nation"
"according to him, I was the canker in their midst"
A plant disease marked by gradual decay.
become infected with a canker
infect with a canker
To affect as a canker; to eat away; to corrode; to consume.