PisaPronunciation: /ˈpiːzə/Translate Pisa | into French Definition of Pisa a city in west central Italy, in Tuscany, on the River Arno; population 87,398 (2008). It is noted for the ‘Leaning Tower of Pisa’, a circular bell tower which leans about 5 m (17 ft) from the perpendicular over its height of 55 m (181 ft). Pisa in other Oxford dictionaries Definition of Pisa in the US English dictionary