Also found in: Thesaurus, Wikipedia.
Related to Ouachita River: Washita River
A river, about 970 km (600 mi) long, rising in the Ouachita Mountains of western Arkansas and flowing east, southeast, and south into eastern Louisiana.
Switch to new thesaurus
|Noun||1.||Ouachita River - a river that rises in western Arkansas and flows southeast into eastern Louisiana to become a tributary of the Red River|
Arkansas, Land of Opportunity, AR - a state in south central United States; one of the Confederate states during the American Civil War