/ Dictionary / Index P Peruvian mastic tree: Meaning and Definition of Find definitions for: Peru'vian mas'tic tree" Pronunciation: [key] a pepper tree, Schinus molle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Peruvian bark Peruvian rhatany 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