Quick answer
Quetzalcoatl is a boy name meaning "feathered snake".
Pronunciation: Nahuatl /ke.t͡saɬ.ˈkoː.aːt͡ɬ/; English /ˌkɛt.səl.koʊ.ˈɑːt.əl/.
Meaning and history
The name means "feathered snake" in Nahuatl, derived from quetzalli "quetzal feather, precious thing" and cōātl "snake". In Aztec and other Mesoamerican mythology he was the god of the sky, wind, and knowledge, also associated with the morning star. According to one legend he created the humans of this age using the bones of humans from the previous age and adding his own blood.
Notes and context
Usage: aztec and toltec mythology