Popocatépetl Syllabification: (Po·po·ca·té·petl)Pronunciation: /ˌpōpəˌkatəˈpetl, -ˈkatəˌpetl, pōˌpōkäˈtāˌpetl/Definition of Popocatépetl an active volcano in Mexico that rises to 17,887 feet (5,452 m), southeast of Mexico City. Popocatépetl in other Oxford dictionaries Definition of Popocatépetl in the British & World English dictionary