Meaning of atrato by Danilo Enrique Noreña Benítez

Atrato is incorrectly written and it should be written as "Atrato ( is 41 name;." being its meaning:
The term correcton is Atrato ( 41 own name;. It is considered the largest river in the world. Colombian River in the Department of Chocó and that empties into the Gulf of Urabá ( 41 Atlantic Ocean;