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  1. River - Wikipedia

    A river is a natural stream of fresh water that flows on land or inside caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before …

  2. River | Definition, Examples, Importance, & Facts | Britannica

    Dec 29, 2025 · River, (ultimately from Latin ripa, “bank”), any natural stream of water that flows in a channel with defined banks . Modern usage includes rivers that are multichanneled, intermittent, or …

  3. River (TV Mini Series 2015) - IMDb

    River: Created by Abi Morgan. With Stellan Skarsgård, Nicola Walker, Adeel Akhtar, Lesley Manville. John River is a brilliant police inspector whose genius lies side-by-side with the fragility of his mind. …

  4. RIVER Definition & Meaning - Merriam-Webster

    The meaning of RIVER is a natural stream of water of usually considerable volume. How to use river in a sentence.

  5. River - Definition, Formation, Facts

    Apr 22, 2025 · A river is a natural flowing watercourse, usually freshwater, that moves toward an ocean, sea, lake, or another river. Rivers originate from water sources such as springs, glaciers, or rainfall …

  6. Understanding Rivers - National Geographic Society

    Nov 7, 2025 · A river is a large, natural stream of flowing water. Rivers are found on every continent and on nearly every kind of land.

  7. Rivers - National Geographic

    Rivers carve shipping routes around the globe, and provide us with food, recreation, and energy. Hydroelectric plants built from bank to bank harness the power of water and convert it to...

  8. What Is a River System and How Does It Work? - Biology Insights

    Jan 12, 2026 · A river system is defined as a main river and all the streams and smaller rivers, known as tributaries, that flow into it. This entire system works to collect and drain surface water from a specific …

  9. River - New World Encyclopedia

    A river is a natural waterway that conveys water derived from precipitation from higher ground to lower levels. Most commonly, rivers flow on the surface of the land, but there are also many examples of …

  10. Explore Rivers of the U.S.

    Each river has its own story. Take a look at some America’s best rivers and some of the rivers we’re working to protect. And learn some facts about your favorite rivers.