/ Dictionary / Index S spinal column: Meaning and Definition of Find definitions for: spi'nal col"umn Pronunciation: [key] the series of vertebrae in a vertebrate animal forming the axis of the skeleton and protecting the spinal cord; spine; backbone. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spinal canal spinal cord Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language