/ Dictionary / Index S sacral nerve: Meaning and Definition of Find definitions for: sa'cral nerve' Pronunciation: [key] — Anat. Anat. any of the nerves arising in five pairs from the spinal cord in the sacrum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sacralize sacral plexus Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language