Rare/archaic medical usage meaning ‘to become or cause to become ulcerated’.
Definitionen
To develop into an ulcer; to become ulcerated. If left untreated, the wound may ulcer and lead to infection.
To cause (tissue) to form an ulcer or to fester. Continuous friction from the brace ulcered the skin on his ankle.
Used attributively before a noun to denote relation to an ulcer (e.g., "ulcer pain").
Definitionen
Relating to, caused by, or characteristic of an ulcer. Ulcer pain can sometimes be mistaken for heartburn.