petersham/ˈpiːtəʃəm/EtymologyNamed after Lord Petersham.nameA village in the borough of Richmond upon Thames, Greater London, England (OS grid ref TQ1873).A town and census-designated place therein, in Worcester County, Massachusetts, United States.A suburb of Sydney in Inner West council area, New South Wales, Australia.nounA rough, knotted woollen cloth, used chiefly for men's overcoats.A coat made of that material.