central nervous system

noun
the part of the nervous system comprising the brain and spinal cord.


Origin:
1890–95

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
central nervous system
 
n
Compare autonomic nervous system CNS the mass of nerve tissue that controls and coordinates the activities of an animal. In vertebrates it consists of the brain and spinal cord

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

central nervous system n.
Abbr. CNS
The portion of the vertebrate nervous system consisting of the brain and spinal cord. Also called cerebrospinal axis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
central nervous system  
The part of the nervous system in vertebrate animals that consists of the brain and spinal cord. Compare peripheral nervous system.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

central nervous system definition


The brain and spinal cord. (See nervous system).

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Grants for research on spinal-cord injuries and disorders of the central
  nervous system.
It is of particular interest to notice their adaptation to the growth and
  changes in the form of the central nervous system.
In addition, afferent or sensory fibers connect many of these structures with
  the central nervous system.
In this respect special mention might be made of the central nervous system and
  the section on the muscles.
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