adjective / noun
spinal
SPY-nuhl/ˈspaɪnl/
Pertaining to the spine or spinal cord.
The spinal cord runs through a canal inside the backbone.

Etymology
Spina had already developed from “thorn” to “backbone” in Latin. The adjective expresses a relationship to that anatomical structure, including the nerve column associated with it.
In context
your spine also called your backbone or vertebral column is composed of 33 Bones called vertebrae which provide your body with support and protect your spinal cord from injury
More examples
- The helmet alone cannot prevent every spinal injury.
- The therapist checks her spinal alignment.
- She received a spinal to numb her lower body before surgery.
Forms
spinal · spinals
spine noun — The column of bones supporting the back.
Similar words
- vertebral
- Refers specifically to the backbone's bones, not the spinal cord.
- epidural
- Anesthesia injected outside the sac containing spinal fluid.