/ Dictionary / Index H heart tamponade: Meaning and Definition of Find definitions for: heart' tamponade" Pronunciation: [key] — Pathol. Pathol. tamponade (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heartstrings heartthrob Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language