We found 9 dictionaries that define the word gumboils:

General (6 matching dictionaries)

1. gumboils: Merriam-Webster
2. gumboils: Collins English Dictionary
3. gumboils: Vocabulary.com
4. gumboils: Wiktionary
5. gumboils: Dictionary.com
6. gumboils: TheFreeDictionary.com

Computing (1 matching dictionary)

7. gumboils: Encyclopedia

Medicine (2 matching dictionaries)

8. gumboils: Merriam-Webster Medical Dictionary
9. gumboils: Medical dictionary

(Note: See gumboil as well.)

Definitions from Wiktionary (gumboil) ▸ noun:  (medicine) A small suppurating inflamed spot on the gum. ▸ Also see gumboil ▸ Words similar to gumboils ▸ Usage examples for gumboils ▸ Idioms related to gumboils ▸ Wikipedia articles (New!) ▸ Popular adjectives describing gumboils ▸ Words that often appear near gumboils ▸ Rhymes of gumboils ▸ Invented words related to gumboils