Lima (lĪˈmə) [key], city (1990 pop. 45,549), seat of Allen co., NW Ohio; settled 1831, inc. 1842. Located in a fertile farm area, it is a processing and marketing center for grain, dairy, and meat products. Auto engines, school buses, electric signs and motors, cranes and power shovels, petroleum products, steel castings, machine tools, plastics, chemicals, and fertilizers are produced in the city. Lima, formerly a large oil producer (1885–1910), houses a symphony orchestra and a branch of Ohio State Univ.