We found 26 dictionaries that define the word canker sore:

General (14 matching dictionaries)

1. canker sore: Merriam-Webster
2. canker sore: Oxford Learner's Dictionaries
3. canker sore: American Heritage Dictionary of the English Language
4. canker sore: Collins English Dictionary
5. canker sore: Vocabulary.com
6. canker-sore: Wordnik
7. canker sore: Wiktionary
8. canker sore: Infoplease Dictionary
9. canker sore: Dictionary.com
10. Canker Sore, Canker sore: Wikipedia, the Free Encyclopedia
11. canker sore: FreeDictionary.org
12. canker sore: Mnemonic Dictionary
13. canker sore: TheFreeDictionary.com

Business (1 matching dictionary)

14. canker sore: Legal dictionary

Computing (1 matching dictionary)

15. canker sore: Encyclopedia

Medicine (9 matching dictionaries)

16. canker sore: Merriam-Webster Medical Dictionary
17. Canker sore, Sore, canker: MedTerms.com Medical Dictionary
18. online medical dictionary (No longer online)
19. Specific Diseases/Disorders (No longer online)
20. AIDS Medical Glossary and Drug Chart (No longer online)
21. Glossary of HIV/AIDS Related Terms (No longer online)
22. canker sore, sore, canker: Medical dictionary
23. Rudy's List of Archaic Medical Terms (No longer online)
24. Canker sore, Sore, canker: Drug Medical Dictionary

Slang (1 matching dictionary)

25. canker sore: Urban Dictionary

Definitions from Wiktionary (canker sore) ▸ noun:  An ulcer in the mouth, called an aphthous ulcer, caused by a break in the mucous membrane. Similar: canker, canker rash, cankerworm, cavity, ulcuscule, canaliculation, conulid, cusp, cataphor, cauker, more... Opposite: cold sore, fever blister, herpes labialis Types: aphthous ulcer, mouth ulcer, more... ▸ Words similar to canker sore ▸ Usage examples for canker sore ▸ Idioms related to canker sore ▸ Wikipedia articles (New!) ▸ Words that often appear near canker sore ▸ Rhymes of canker sore ▸ Invented words related to canker sore