/ Dictionary / Index P propr.: Meaning and Definition of Find definitions for: propr. Pronunciation: [key] proprietor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. propoxyphene propraetor Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language