/ Dictionary / Index H herniate: Meaning and Definition of Find definitions for: her•ni•ate Pronunciation: (hûr'nē-āt"), [key] — -at•ed, -at•ing. to protrude abnormally from an enclosed cavity or from the body so as to constitute a hernia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hernia herniated disk Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language