Antuco is not a spanish word, it comes from mapudungun (The languaje from the Mapuches), "Antu" means Sun or sol in spanish, and "Co" means Water or Agua in spanish, so Antuco Means Sun and Water.
There is a Town, and a Volcano Called Antuco, in the Bio-Bío Región.
Used in Chile as well
"We must travel to antuco tonight."
