floodplain
noun
flood·plain
ˈfləd-ˌplān 
1
: level land that may be submerged by floodwaters
2
: a plain built up by stream deposition
Examples of floodplain in a Sentence
Recent Examples on the Web
During high-water months, water spills over and settles across the floodplain, leaving behind up to 12 inches of fresh soil annually.
—
Isa Cardona, CNN Money, 23 Oct. 2025
Armed with permission to study the entire Luxor floodplain, the research team is now casting a wider net.
—Pranjal Malewar, New Atlas, 18 Oct. 2025
Roughly 8 percent of all the properties in the United States are inside a 100-year floodplain, according to Nadia Evangelou, a senior economist and director of real estate research for the National Association of Realtors.
—Rukmini Callimachi, New York Times, 9 Oct. 2025
In July, the Benbrook Planning and Zoning Commission recommended rezoning a portion of the Mary’s Creek floodplain to allow Corey Waldrop, 37, of Fort Worth, to develop a 178-home community called Rowan Ranch near the intersection of West Loop 820 and Veterans Parkway.
—Matthew Adams, Fort Worth Star-Telegram, 9 Oct. 2025
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Isa Cardona, CNN Money, 23 Oct. 2025
Armed with permission to study the entire Luxor floodplain, the research team is now casting a wider net.
—Pranjal Malewar, New Atlas, 18 Oct. 2025
Roughly 8 percent of all the properties in the United States are inside a 100-year floodplain, according to Nadia Evangelou, a senior economist and director of real estate research for the National Association of Realtors.
—Rukmini Callimachi, New York Times, 9 Oct. 2025
In July, the Benbrook Planning and Zoning Commission recommended rezoning a portion of the Mary’s Creek floodplain to allow Corey Waldrop, 37, of Fort Worth, to develop a 178-home community called Rowan Ranch near the intersection of West Loop 820 and Veterans Parkway.
—Matthew Adams, Fort Worth Star-Telegram, 9 Oct. 2025
See All Example Sentences for floodplain
Cite this Entry
“Floodplain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/floodplain. Accessed 29 Oct. 2025.
Copy CitationKids Definition
floodplain
noun
flood·plain
-ˌplān
1
: low flat land along a stream or river that may flood
2
: a plain built up from earth left by floodwaters
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