Red River

American  

noun

1. a river flowing E from NW Texas along the S boundary of Oklahoma into the Mississippi River in Louisiana. About 1,300 miles (2,095 km) long.

2. Also called Red River of the North.  a river flowing N along the boundary between Minnesota and North Dakota to Lake Winnipeg in S Canada. 533 miles (860 km) long.

3. Songka.

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Red River British  

noun

1. Also called: Red River of the South.  a river in the S central US, flowing east from N Texas through Arkansas into the Mississippi in Louisiana. Length: 1639 km (1018 miles)

2. a river in the northern US, flowing north as the border between North Dakota and Minnesota and into Lake Winnipeg, Canada. Length: 515 km (320 miles)

3. Vietnamese name: Song Koi.  a river in SE Asia, rising in SW China in Yunnan province and flowing southeast across N Vietnam to the Gulf of Tongkin: the chief river of N Vietnam, with an extensive delta. Length: 500 km (310 miles)

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Example Sentences

See Examples For:

Red River

EnergyX has already acquired more than 50,000 acres of mineral rights for lithium deposits near the Red River Army Depot on the border between Texas and Arkansas.

From The Wall Street Journal ● Jun. 25, 2026

Hundreds of Red River area residents have attended similar vigils, organised anonymously in recent weeks and publicised on social media.

From Barron's ● Jun. 24, 2026

Meanwhile several districts in Hanoi were evacuated due to intense flooding, with the city's iconic Red River swelling to a 20-year high.

From Salon ● Sep. 12, 2024

On Monday, it collapsed a busy bridge, plunging ten cars and two scooters into the Red River.

From BBC ● Sep. 11, 2024

But I can tell by Father’s yearning voice he wants Caesar to come—all the way to the border, across the Red River.

From "Will’s Race for Home" by Jewell Parker Rhodes