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river mouth

American  
[riv-er mauth] / ˈrɪv ər ˌmaʊθ /

noun

river mouths plural
  1. the part of a river that discharges into a lake, sea, or ocean.


Other Word Forms

Noun Inflected Forms

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.

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They found concentrations were significantly higher in the air near the river mouth at the border and Imperial Beach than farther north along the coast at the Scripps Pier in La Jolla.

From Los Angeles Times May 28, 2025

Beaches near the river mouth and the sewage treatment plant outfall have regularly been closed because of high levels of bacteria in the ocean.

From Los Angeles Times Apr. 16, 2025

During the summer rainy seasons, rainfall filtering into the river picks up nutrients, organic material and sediments, which are then carried to the river mouth and discharged into the ocean, washing over the coral colony.

From Science Daily Mar. 18, 2024

“The guy did it, and boom! The river mouth started flowing again,” Mr. Seiferlein said.

From New York Times Feb. 9, 2024

The river mouth at Moss Landing was centuries ago the entrance to this long inland water.

From "East of Eden" by John Steinbeck

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