American English

Definition of canker noun from the Oxford Advanced American Dictionary



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  1. 1= canker sore
  2. 2[uncountable] a disease that destroys the wood of plants and trees
  3. 3[countable] (literary) an evil or dangerous influence that spreads and affects people's behavior
  4. 4[uncountable] a disease that causes sore areas in the ears of animals, especially dogs and cats
See the Oxford Advanced Learner's Dictionary entry: canker

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