In·ca also In·ka (ĭng'kə) n.
pl.Inca or In·cas also Inka or In·kas
A member of the group of Quechuan peoples of highland Peru who established an empire from northern Ecuador to central Chile before the Spanish conquest.
A ruler or high-ranking member of the Inca empire.
A member of any of the peoples ruled by the Incas.
[Spanish, from Quechua inka, ruler, man of royal lineage.]