mouth ulcer
noun
Definitions
An aphthous ulcer; an open sore in the mouth, or rarely a break in the mucous membrane or the epithelium on the lips or surrounding the mouth.
Explore meaning, context, and usage with an online dictionary experience optimized for multilingual workflows.
Try these words
Definitions
An aphthous ulcer; an open sore in the mouth, or rarely a break in the mucous membrane or the epithelium on the lips or surrounding the mouth.