Definition of canker sore Canker sore
We found 2 definitions of canker sore from 2 different sources.
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What does canker sore mean?
WordNet
Noun |
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| canker sore - an ulceration (especially of the lips or lining of the mouth) | ||
| canker | ||
| 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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Wiktionary 
- canker sore (Noun)
An ulcer in the mouth, called an aphthous ulcer , caused by a break in the mucous membrane.
