Found 2 items, similar to gumboil.
English → English (WordNet) Definition: gumboil gumboil n : a boil or abscess on the gums
English → English (gcide) Definition: Gumboil Gumboil \Gum"boil\ (g[u^]m"boil), n. (Med.) A small suppurating inflamed spot on the gum. [1913 Webster]