/ Dictionary / Index P pleurisy: Meaning and Definition of Find definitions for: pleu•ri•sy Pronunciation: (ploor'u-sē), [key] — n. Pathol. inflammation of the pleura, with or without a liquid effusion in the pleural cavity, characterized by a dry cough and pain in the affected side. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pleurisy (Thesaurus) pleural cavity pleurisy root Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language