commune in Tuscany, W Italy, on the Arno River: famous for its Leaning Tower
A city of western Italy on the Arno River near the Tyrrhenian Sea. An important Etruscan town, it developed into a powerful maritime republic in the 9th to 11th centuries but was crushed by Genoa in 1284. Florence controlled the city after 1406. The campanile of its cathedral, built 1173-c. 1350, is the famed Leaning Tower of Pisa.x
From Italian Pisa.