Chancay (chäng-kĪˈ) [key], archaeological site in central Peru, center of the ancient Cuismancu empire. Culturally influenced by the Chimu, the Cuismancu dominated less territory and were not as powerful. Nonetheless they built sizable cities and were somewhat more materially advanced than their southern neighbors, the Chincha (see Ica). The Cuismancu were conquered by the Inca in the 15th cent.
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