spinal column ( synonym found)
Definition of spinal column:

(n) : the series of vertebrae, separated by disks, that extends from the cranium to the coccyx, which encloses and protects the spinal cord
Definition of spinal column:

(n) : the series of vertebrae, separated by disks, that extends from the cranium to the coccyx, which encloses and protects the spinal cord
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