We found 9 dictionaries that define the word mountain lions:

General (7 matching dictionaries)

1. mountain lions: Merriam-Webster
2. mountain lions: Collins English Dictionary
3. mountain lions: Vocabulary.com
4. mountain lions: Cambridge Advanced Learner's Dictionary
5. mountain lions: Wiktionary
6. Mountain lions: Wikipedia, the Free Encyclopedia
7. Mountain lions: TheFreeDictionary.com

Computing (1 matching dictionary)

8. Mountain lions: Encyclopedia

Medicine (1 matching dictionary)

9. Mountain lions: Medical dictionary

(Note: See mountain_lion as well.)

Definitions from Wiktionary (mountain lion) ▸ noun:  A cougar, Puma concolor. ▸ Also see mountain_lion Phrases: Sacramento Mountain Lions, more... ▸ Words similar to mountain lions ▸ Usage examples for mountain lions ▸ Idioms related to mountain lions ▸ Wikipedia articles (New!) ▸ Words that often appear near mountain lions ▸ Rhymes of mountain lions ▸ Invented words related to mountain lions