Chimborazo Syllabification: (Chim·bo·ra·zo)Pronunciation: /ˌCHimbəˈräzō, ˌSHim-/Definition of Chimborazo the highest peak in the Andes in Ecuador. It rises to 20,487 feet (6,310 m). Chimborazo in other Oxford dictionaries Definition of Chimborazo in the British & World English dictionary