ulcer
//ˈʌl.sər//
Noun
ulcerSingular
ulcersPlural
1
An open sore on the skin or a mucous membrane, often slow to heal and sometimes accompanied by inflammation.
The doctor examined the ulcer on her leg and prescribed medication to help it heal.
2
A lesion in the lining of the stomach or duodenum, typically caused by bacterial infection or prolonged use of certain medications.
The doctor diagnosed him with a stomach ulcer caused by bacterial infection.
3
A source of persistent pain, distress, or corruption.
Corruption has become an ulcer in our society.