/ Dictionary / Index P Petronius: Meaning and Definition of Find definitions for: Pe•tro•ni•us Pronunciation: (pi-trō'nē-us), [key] (Gaius Petronius Arbiter) (“Arbiter Elegantiae”), dieda.d.66?, Roman satirist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: petronius (Thesaurus) petronel Petropavlovsk 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