We found 19 dictionaries that define the word left brain:

General (15 matching dictionaries)

1. left brain: Merriam-Webster
2. left brain: Oxford Learner's Dictionaries
3. left brain: American Heritage Dictionary of the English Language
4. left brain: Collins English Dictionary
5. left brain: Vocabulary.com
6. Left-Brain: Wordnik
7. left brain: Infoplease Dictionary
8. left-brain, left brain: Dictionary.com
9. Left Brain, Left-brain, Left brain: Wikipedia, the Free Encyclopedia
10. left brain: Rhymezone
11. left-brain, left brain: FreeDictionary.org
12. left brain: Mnemonic Dictionary
13. left-brain, left brain: TheFreeDictionary.com
14. left-brain, left brain: Wordnik
15. left brain: Wiktionary

Art (1 matching dictionary)

16. left brain: ArtLex Lexicon of Visual Art Terminology

Medicine (2 matching dictionaries)

17. left brain: Merriam-Webster Medical Dictionary
18. left-brain, left brain: Medical dictionary

Slang (1 matching dictionary)

19. Left Brain: Urban Dictionary

(Note: See left_brains as well.)

Definitions from Wiktionary (left brain) ▸ noun:  The left cerebral hemisphere; the part of the brain popularly associated with analysis and computation. Similar: left hemisphere, right brain, left hand, brainpower, leftwing, cognitively, frontal lobe, cerebral, left wing, leftish, more... Phrases: Left Brain production discography, using your left brain, more... ▸ Words similar to left brain ▸ Usage examples for left brain ▸ Idioms related to left brain ▸ Wikipedia articles (New!) ▸ Words that often appear near left brain ▸ Rhymes of left brain ▸ Invented words related to left brain