/ Dictionary / Index P Peterborough: Meaning and Definition of Find definitions for: Pe•ter•bor•ough Pronunciation: (pē'tur-bûr"ō, -bur"ō, -bur-u), [key] — n. a city in Cambridgeshire, in central England. 115,000. a city in SE Ontario, in SE Canada. 59,683. a former administrative division in Cambridgeshire, in central England. 84 sq. mi. (218 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Peter III peterman 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