Red River
Americannoun
-
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.
-
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.
noun
-
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)
-
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)
-
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)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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
"May the Buddhas of the ten directions hear our earnest plea," one anonymous user commented on a Facebook group dedicated to the Red River redevelopment.
From Barron's ● Jun. 24, 2026
Romanick was asked to rule on a lawsuit against the state of North Dakota by the Red River Women’s Clinic.
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
“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
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.