Quetzalcoatl
noun
Quet·zal·co·a·tl ˌkwet-səl-kə-ˈwä-tᵊl 
ˌket-,
-səl-ˈkwä-;
ket-ˌsäl-,
-ˌsal-
: a chief Toltec and Aztec god identified with the wind and air and represented by a feathered serpent
Word History
Etymology
Nahuatl Quetzalcōātl
First Known Use
1578, in the meaning defined above