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

Brockman grew up in Thompson, N.D., a town of about 1,100 people in the Red River Valley, the third of four children.

From The Wall Street Journal • May 30, 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

And that is how the Red River Rivalry spilled over from football to film.

From New York Times • Apr. 7, 2024

Archaeologists from the Red River Archaeology Group came across the complex while working on a Barratt and David Wilson Homes housing development at Brookside Meadows in Grove near Wantage, Oxfordshire.

From BBC • Apr. 5, 2024

“I still think we ought to take the dikes out now,” Nixon said on April 25, referring to a long-discussed plan of leveling the walls holding back the Red River in North Vietnam.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin