/ Dictionary / Index P pericardial: Meaning and Definition of Find definitions for: per•i•car•di•al Pronunciation: (per"i-kär'dē-ul), [key] — adj. of or pertaining to the pericardium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pericardial (Thesaurus) periblem pericarditis 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