/ Dictionary / Index E epidural: Meaning and Definition of Find definitions for: ep•i•du•ral Pronunciation: (ep"i-door'ul, -dyoor'-), [key] — adj. situated on or outside the dura mater. —n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epidural (Thesaurus) epidote epidural anesthesia Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language