Definition of Pompeii in English:
Pompeii
proper nounpɒmˈpeɪipɑmˈpeɪi
An ancient city in western Italy, south-east of Naples. The city was buried by an eruption of Mount Vesuvius in AD 79; excavations of the site began in 1748, revealing well-preserved remains of buildings, mosaics, furniture, and the personal possessions of the city's inhabitants.
Definition of Pompeii in US English:
Pompeii
proper nounpɑmˈpeɪipämˈpāē
An ancient city in western Italy, southeast of Naples. The city was buried by an eruption of Mount Vesuvius in AD 79; excavations of the site began in 1748, revealing well-preserved remains of buildings, mosaics, furniture, and the personal possessions of the city's inhabitants.