canker sore

/ˈkæŋkər sɔr/
/ˈkæŋkə sɔ/
IPA guide

Other forms: canker sores

Definitions of canker sore
  1. noun
    an ulceration (especially of the lips or lining of the mouth)
    synonyms: canker
    see moresee less
    type of:
    ulcer, ulceration
    a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
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