ulcer
n. countablen. a painful, open sore on the skin or inside the body that is slow to heal. You often hear about them in the stomach or on the mouth.
n. an open sore on an external or internal surface of the body, caused by a break in the skin or mucous membrane that fails to heal. Often associated with infection, inflammation, or underlying systemic conditions.
He had a painful ulcer on his tongue.
The doctor explained that stress was not the primary cause of his stomach ulcer, but it certainly made the symptoms worse.
Chronic venous insufficiency can lead to the development of a leg ulcer, which requires specialized wound care and compression therapy to facilitate proper healing of the tissue.
From Old French ulcere, from Latin ulcus. Doublet of ulcus.
Commonly modified by its location, such as 'stomach', 'mouth', or 'peptic'.