Chicopee (CHI-kuh-pee), city (1990 pop. 56,632), Hampden co., SW Mass., at the confluence of the Chicopee and Connecticut rivers; 42°11'N 72°34'W. Settled c.1641, set off from Springfield 1848, inc. as a city 1890. Includes the villages of Willimansett, Fairview, Aldenville, Chicopee Center, and Chicopee Falls. Paper and sporting goods, plastics, textiles, metal works, beverages, and machinery are among the citys manufactures. Seat of the Col. of Our Lady of the Elms. The author Edward Bellamy was born and lived in Chicopee Falls. Westover Air Base is nearby.