/ Dictionary / Index S spinal nerve: Meaning and Definition of Find definitions for: spi'nal nerve' Pronunciation: [key] — Anat. Anat. any of a series of paired nerves that originate in the nerve roots of the spinal cord and emerge from the vertebrae on both sides of the spinal column, each branching out to innervate a specific region of the neck, trunk, or limbs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spinal ganglion spinal tap Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language