Zacatecas Syllabification: (Za·ca·te·cas)Pronunciation: /ˌzäkəˈtākəs, ˌsäkə-/Definition of Zacatecas a state in northern central Mexico. its capital, a silver-mining city located at an altitude of 8,200 feet (2,500 m); population 122,889 (2005). Zacatecas in other Oxford dictionaries Definition of Zacatecas in the British & World English dictionary