GUMBOIL
Meaning of GUMBOIL in English
/ ˈgʌmbɔɪl; NAmE / noun
a small swelling on the gum in a person's mouth, over an infected area on the root of a tooth
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005