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floodplain

American  
[fluhd-playn] / ˈflʌdˌpleɪn /

noun

plural

floodplains
  1. a nearly flat area of land alongside a stream or river that is naturally subject to flooding.


floodplain Scientific  
/ flŭdplān′ /
  1. Flat land bordering a river and made up of alluvium (sand, silt, and clay) deposited during floods. When a river overflows, the floodplain is covered with water.


Other Word Forms

Vocabulary lists containing floodplain

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.

Eventually, they were overtaken, falling silent to the noisy ambitions of foreigners and settlers who set about transforming this vast floodplain with imported water and orchards and homes.

From Los Angeles Times • Aug. 10, 2025

They pointed to millions more spent on other prevention efforts, including flood control dam construction and maintenance, regional flood projects, and increased floodplain disclosures and drainage requirements for border counties.

From Salon • Jul. 22, 2025

Parts of Mandalay and its buildings also lie along the floodplain of the Ayerwaddy River.

From BBC • Mar. 29, 2025

These tyrannosaurs would have been around a third of the size of their famous cousin Tyrannosaurus rex, and likely hunted small dinosaurs and other reptiles in their floodplain habitat.

From Science Daily • Dec. 5, 2024

Farmers in the floodplain build houses and barns on stilts.

From "1491" by Charles C. Mann

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