We found 9 dictionaries that define the word peptic ulcers:

General (4 matching dictionaries)

1. peptic ulcers: Collins English Dictionary
2. peptic ulcers: Wiktionary
3. Peptic ulcers: Wikipedia, the Free Encyclopedia
4. Peptic ulcers: TheFreeDictionary.com

Computing (1 matching dictionary)

5. Peptic ulcers: Encyclopedia

Medicine (3 matching dictionaries)

6. peptic ulcers: Merriam-Webster Medical Dictionary
7. Peptic ulcers: Merck Manuals
8. Peptic ulcers: Medical dictionary

Science (1 matching dictionary)

9. Agricultural Thesaurus and Glossary (No longer online)

(Note: See peptic_ulcer as well.)

Definitions from Wiktionary (peptic ulcer) ▸ noun:  (pathology) An ulcer of an area of the gastrointestinal tract. ▸ Also see peptic_ulcer ▸ Words similar to peptic ulcers ▸ Usage examples for peptic ulcers ▸ Idioms related to peptic ulcers ▸ Wikipedia articles (New!) ▸ Words that often appear near peptic ulcers ▸ Rhymes of peptic ulcers ▸ Invented words related to peptic ulcers