/ Dictionary / Index S spinal canal: Meaning and Definition of Find definitions for: spi'nal canal" Pronunciation: [key] the tube formed by the vertebrae in which the spinal cord and its membranes are located. See diag. underAlso called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spinal block spinal column Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language