Incan

from WordNet (r) 3.0 (2006)

Incan
    adj 1: of or pertaining to the Incas or their culture or empire
    n 1: a member of the Quechuan people living in the Cuzco valley
         in Peru [syn: {Inca}, {Inka}, {Incan}]

from The Collaborative International Dictionary of English v.0.48

Incan \In"can\, a.
   Of or pertaining to the Incas.
   [1913 Webster]