CANKER

Definition of CANKER

  1. (noun)a fungal disease of woody plants that causes localized damage to the bark
  2. (noun)an ulceration (especially of the lips or lining of the mouth)
  3. (noun)a pernicious and malign influence that is hard to get rid of
  4. (verb)become infected with a canker
  5. (verb)infect with a canker