/ Dictionary / Index P Piacenza: Meaning and Definition of Find definitions for: Pia•cen•za Pronunciation: (pyä-chen'tsä), [key] — n. a city in N Italy, on the Po River. 109,302. Ancient, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pia piacular Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language