/ Dictionary / Index P Peterson: Meaning and Definition of Find definitions for: Pe•ter•son Pronunciation: (pē'tur-sun), [key] born 1908, U.S. ornithologist, author, and artist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. petersham Peter's pence 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