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Definition of Ouachita
1. Noun. A river that rises in western Arkansas and flows southeast into eastern Louisiana to become a tributary of the Red River. 
Exact synonyms: Ouachita River
Group relationships: Ar, Arkansas, Land Of Opportunity, La, Louisiana, Pelican State
Generic synonyms: River
Group relationships: Ar, Arkansas, Land Of Opportunity, La, Louisiana, Pelican State
Generic synonyms: River



