left brain
n.
The cerebral hemisphere to the left of the corpus callosum, controlling activities on the right side of the body, and in humans, usually controlling speech and language functions.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
left brain
n
(Anatomy)
a. the left hemisphere of the human brain, which is believed to control linear and analytical thinking, decision-making, and language
b. (as modifier): a left-brain activity.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
left′ brain′
n.
the left cerebral hemisphere, controlling activity on the right side of the body: in humans, usu. showing some degree of specialization for language and calculation. Compare right brain.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  left brain - the cerebral hemisphere to the left of the corpus callosum that controls the right half of the bodycerebral hemisphere, hemisphere - either half of the cerebrum language area, language zone - a large cortical area (in the left hemisphere in most people) containing all the centers associated with language |
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