/ Dictionary / Index I intraspinal: Meaning and Definition of Find definitions for: in•tra•spi•nal Pronunciation: (in"tru-spīn'l), [key] — adj. Anat. being within the spine. going into the spinal canal, as an injection. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. intraspecies intrastate Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language