Ouachita

American  

[wosh-i-taw, waw-shi-] / ˈwɒʃ ɪˌtɔ, ˈwɔ ʃɪ- /

Or Washita

noun

Ouachitas, plural Ouachita plural

1. a river flowing SE from W Arkansas through NE Louisiana to the Red River. 605 miles (975 km) long.

2. a member of a former North American Indian tribe, apparently of the Caddoan stock, of NE Louisiana.

---

Ouachita British  

/ ˈwɒʃɪˌtɔː /

noun

1. a river in the S central US, rising in the Ouachita Mountains and flowing east, south, and southeast into the Red River in E Louisiana. Length: 974 km (605 miles)

---

Other Word Forms

Inflected Forms

noun

• Ouachitas
  plural
• Ouachita
  plural

Example Sentences

The population of nearby Ouachita Parish, which includes Monroe, had also been declining.

From The Wall Street Journal • Jun. 12, 2026

Waldorf had gone to the same college, four years behind, and joined the same sorority, known as a social club, at Ouachita Baptist University.

From Salon • May 27, 2026

Carbeck and colleagues from the Cornell Lab of Ornithology, University of Alaska and Ouachita Baptist University used the power of whole-genome sequencing to decode the entire song sparrow genome and unlock its secrets.

From Science Daily • Nov. 7, 2023

McCurtain County is in far southeast Oklahoma, in the forested foothills of the Ouachita mountains, bordering Arkansas and Texas.

From Washington Times • Apr. 20, 2023

After the Ouachita mounds, there is a gap in the record of more than a millennium.

From "1491" by Charles C. Mann