/ Dictionary / Index P petty treason: Meaning and Definition of Find definitions for: pet'ty trea'son Pronunciation: [key] — Eng. Law. Eng. Law. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. petty sessions petulance Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language