ZacatecasPronunciation: /ˌzakəˈteɪkəs, sakaˈtekas, θaka-/Definition of Zacatecas a state of north central Mexico. the capital of Zacatecas, a silver-mining city situated at an altitude of 2,500 m (8,200 ft); population 122,889 (2005). Zacatecas in other Oxford dictionaries Definition of Zacatecas in the US English dictionary