Red River
Americannoun
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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.
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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
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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)
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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)
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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.
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
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
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
By Wednesday, flood waters from the swollen Red River reached a metre high in parts of the capital, forcing some residents to navigate their neighbourhoods by boat.
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
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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.