spinal column

Noun

1.

spinal column - the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" Synonyms: spine, vertebral column, rachis, backbone, back

axial skeleton, back, backbone, canalis vertebralis, chine, coccyx, intervertebral disc, intervertebral disk, notochord, rachis, skeletal structure, spinal canal, spine, tail bone, vertebra, vertebral canal, vertebral column