canker sore

From Wiktionary, the free dictionary
Archived revision by TheDaveBot (talk | contribs) as of 17:32, 26 May 2017.
Jump to navigation Jump to search

English

Noun

canker sore (plural canker sores)

English Wikipedia has an article on:
Wikipedia
  1. An ulcer in the mouth, called an aphthous ulcer, caused by a break in the mucous membrane.