Brockton, industrial city (1990 pop. 92,788), Plymouth co., E Mass.; settled c.1700, set off from Bridgewater 1821, inc. as a city 1881. It formerly had a large shoe and leather products industry. Textiles, clothing, machinery and machine tools, plastics, and electrical and electronic equipment are produced there. An art center and a historic museum are in Brockton. A state park is nearby.