verb (-ated; -ating) Date: 15th century intransitive verb to become affected with or as if with an ulcer, transitive verb to affect with or as if with an ulcer
ULCERATE
Meaning of ULCERATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012