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English definition of “canker”

canker

noun uk   /ˈkæŋ.kər/ us    /-kɚ/

canker noun (TREES)

[C or U] specialized biology a disease that attacks the wood of trees

canker noun (ANIMALS)

[U] specialized biology a disease affecting the ears and mouth of animals and humans

canker noun (EVIL)

[C usually singular] formal something evil that spreads through a person's mind, an organization, or a society: Poverty is a canker eating away at the heart of society.
(Definition of canker from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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