cerebrospinal nervous system

noun

: the portion of the nervous system in vertebrates comprising the brain, cranial nerves, spinal cord, and the spinal nerves concerned with transmission of impulses from sense organs to the voluntary muscles compare autonomic nervous system

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now