spinal column

noun
the series of vertebrae in a vertebrate animal forming the axis of the skeleton and protecting the spinal cord; spine; backbone.
Also called vertebral column.


Origin:
1830–40

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
spinal column
 
n
spine, vertebral column, Also called: rachis, Nontechnical name: backbone a series of contiguous or interconnecting bony or cartilaginous segments that surround and protect the spinal cord

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

spinal column n.
The series of articulated vertebrae, separated by intervertebral disks and held together by muscles and tendons, that extends from the cranium to the coccyx, encasing the spinal cord and forming the supporting axis of the body. Also called backbone, rachis, spine, vertebral column.

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
spinal column   (spī'nəl)  Pronunciation Key 
See vertebral column.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Finding pieces of the spinal column joined together eliminates guesswork over
  how they articulated in life.
All of her tiny ribs were positioned, as in life, along a sinuous spinal column.
Most of her tiny ribs were positioned, as in life, along a sinuous spinal
  column.
Carter had been diagnosed with spinal stenosis, a narrowing of the spinal
  column.
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