/ Dictionary / Index P pleuro-: Meaning and Definition of Find definitions for: pleuro- Pronunciation: [key] a combining form meaning “side,” “rib,” “lateral,” “pleura,” used in the formation of compound words: pleuropneumonia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pleurisy root pleurocarpous 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