We found 11 dictionaries that define the word knee cap:

General (5 matching dictionaries)

1. knee cap: Longman Dictionary of Contemporary English
2. knee-cap: Wordnik
3. knee-cap, knee cap: Wiktionary
4. Knee Cap, Knee cap: Wikipedia, the Free Encyclopedia
5. Knee Cap: TheFreeDictionary.com

Business (2 matching dictionaries)

6. Knee Cap: Financial dictionary
7. Knee Cap: Legal dictionary

Computing (1 matching dictionary)

8. Knee Cap: Encyclopedia

Medicine (2 matching dictionaries)

9. Knee cap: Gray's Anatomy (1918)
10. Knee Cap, knee-cap: Medical dictionary

Slang (1 matching dictionary)

11. knee cap: Urban Dictionary

Definitions from Wiktionary (Knee cap) ▸ noun:  (rare) Alternative spelling of kneecap [(anatomy) The flat, roundish bone in the knee.] Similar: knee-cap, knock-knee, knee-pad, kneepad, knee-capping, kneesock, runners knee, kneejerk, runners' knee, knee jerk, more... Opposite: patella, kneecap bone ▸ Words similar to knee cap ▸ Usage examples for knee cap ▸ Idioms related to knee cap ▸ Wikipedia articles (New!) ▸ Words that often appear near knee cap ▸ Rhymes of knee cap ▸ Invented words related to knee cap