We found 11 dictionaries that define the word frontal lobes:

General (6 matching dictionaries)

1. frontal lobes: Merriam-Webster
2. frontal lobes: Collins English Dictionary
3. frontal lobes: Vocabulary.com
4. frontal lobes: Wiktionary
5. Frontal lobes: Wikipedia, the Free Encyclopedia
6. Frontal lobes: TheFreeDictionary.com

Computing (1 matching dictionary)

7. Frontal lobes: Encyclopedia

Medicine (3 matching dictionaries)

8. frontal lobes: Merriam-Webster Medical Dictionary
9. Multiple Sclerosis Encyclopaedia (No longer online)
10. Frontal lobes: Medical dictionary

Slang (1 matching dictionary)

11. frontal lobes: Urban Dictionary

(Note: See frontal_lobe as well.)

Definitions from Wiktionary (frontal lobe) ▸ noun:  (anatomy) One of the four major divisions of the cerebrum of the brain, located behind the forehead. ▸ Also see frontal_lobe ▸ Words similar to frontal lobes ▸ Usage examples for frontal lobes ▸ Idioms related to frontal lobes ▸ Wikipedia articles (New!) ▸ Words that often appear near frontal lobes ▸ Rhymes of frontal lobes ▸ Invented words related to frontal lobes