from The American Heritage® Dictionary of the English Language, 4th Edition
- 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 or the end of the tail, encasing the spinal cord and forming the supporting axis of the body; the spine. Also called vertebral column.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The series of vertebrae, separated by disks, that extends from the cranium to the coccyx, which encloses and protects the spinal cord.
from the GNU version of the Collaborative International Dictionary of English
- adj. the backbone, or connected series or vertebræ which forms the axis of the vertebrate skeleton; the spine; rachis; vertebral column.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
Sorry, no etymologies found.