Atchafalaya

geographical name
Atchaf·​a·​laya | \ (ə-)ˌcha-fə-ˈlī-ə How to pronounce Atchafalaya (audio) \

Definition of Atchafalaya

river 225 miles (362 kilometers) long in southern Louisiana flowing south into Atchafalaya Bay (an inlet of the Gulf of Mexico)