noun pius vii (Luigi Barnaba Chiaramonti) 1740–1823, Italian ecclesiastic: pope 1800–23. 1
noun pius vii original name Luigi Barnaba Chiaramonti. 1740–1823, Italian ecclesiastic; pope (1800–23). He concluded a concordat with Napoleon (1801) and consecrated him as emperor of France (1804), but resisted his annexation of the Papal States (1809) 0
