Meaning of canker

Definition of canker

(noun) 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"
(verb) become infected with a canker
infect with a canker

Other information on canker

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