We found 8 dictionaries that define the word rat flea:

General (4 matching dictionaries)

1. rat-flea: Wordnik
2. rat flea: Dictionary.com
3. Rat flea: Wikipedia, the Free Encyclopedia
4. Rat flea: TheFreeDictionary.com

Computing (1 matching dictionary)

5. Rat flea: Encyclopedia

Medicine (3 matching dictionaries)

6. rat flea: Merriam-Webster Medical Dictionary
7. Rat flea, Rat flea: Medical dictionary

Definitions from Wikipedia (Rat flea) ▸ noun:  A rat flea is a parasite of rats. Phrases: rat flea typhus, typhus rat flea, Oriental rat flea, more... ▸ Words similar to rat flea ▸ Usage examples for rat flea ▸ Idioms related to rat flea ▸ Wikipedia articles (New!) ▸ Words that often appear near rat flea ▸ Rhymes of rat flea ▸ Invented words related to rat flea