'left brain' definitions:
Definition of 'left brain'
From: WordNet
noun
The cerebral hemisphere to the left of the corpus callosum that controls the right half of the body [syn: left hemisphere, left brain]
Definition of 'left brain'
From: GCIDE
- left brain \left" brain`\, n. The left cerebral hemisphere of the brain; in humans, it controls motor activity on the right side of the body, and in most people is the primary location for control of language, logic, and mathematical thought. [PJC]