Cabeza de Vaca Álvar Núñez

Ca·be·za de Va·ca

 (kə-bā′zə də vä′kə, kä-vĕ′thä thĕ vä′kä), Álvar Núñez 1490?-1557?
Spanish explorer and colonial administrator who explored parts of present-day Florida, Texas, and Mexico and aroused Spain's interest in the region with his vivid stories of opportunities.