mouth ulcer
noun/ˈmaʊθ ʌlsə(r)/
/ˈmaʊθ ʌlsər/
(British English) (North American English canker sore)
- a small painful area in the mouth
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
mouth ulcer