In ‧ ca /ˈɪŋkə/ BrE AmE noun
1 . the Incas, the Inca [P] an ancient people who lived in Peru, South America, and who ruled a large area of the Andes mountains, from Ecuador to Chile, until the Spanish arrived in the 16th century and destroyed their ↑ civilization . They are known especially for building impressive cities, such as ↑ Machu Picchu , building roads, and having advanced methods of farming. Their capital was Cuzco, and their language was Quechchua.
2 . [countable] a member of this people
—Inca adjective :
the Inca priesthood