Definitions for quechuan
Random House Webster's College Dictionary
Quech•ua*ˈkɛtʃ wɑ, -wə(n.)(pl.)-uas; -ua
a group of closely related American Indian languages spoken in Andean South America, from S Colombia and Ecuador to NE Argentina.
the form of Quechua spoken in Cuzco and its environs that served as the administrative language of the Inca state.
an American Indian speaker of Quechua.
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Quechua, Quechuan, Quechuan language, Kechua, Kechuan(adj)
the language of the Quechua which was spoken by the Incas
of or relating to the Quechua or their language
Of, or pertaining, to the Quechua people or language.