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
When 16% of your State lies in a floodplain, that is an emergency.
—
Anna Commander, MSNBC Newsweek, 15 July 2025
The next best option is to elevate homes in the floodplain to a safe level, which local governments have a little more control over.
—Maryam Ahmed, Austin American Statesman, 15 July 2025
The camp asked for the changes after FEMA created new maps in 2011 that placed much of the camp in a floodplain, an area the agency considers at high risk for flooding, according to records.
—Laura Sullivan, NPR, 13 July 2025
As the tragedy unfolds, important questions are being raised about the lack of a real-time warning system, why certain infrastructure is located in a known floodplain and barriers to disseminating available weather warnings.
—Marshall Shepherd, Forbes.com, 11 July 2025
See All Example Sentences for floodplain
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Anna Commander, MSNBC Newsweek, 15 July 2025
The next best option is to elevate homes in the floodplain to a safe level, which local governments have a little more control over.
—Maryam Ahmed, Austin American Statesman, 15 July 2025
The camp asked for the changes after FEMA created new maps in 2011 that placed much of the camp in a floodplain, an area the agency considers at high risk for flooding, according to records.
—Laura Sullivan, NPR, 13 July 2025
As the tragedy unfolds, important questions are being raised about the lack of a real-time warning system, why certain infrastructure is located in a known floodplain and barriers to disseminating available weather warnings.
—Marshall Shepherd, Forbes.com, 11 July 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 24 Jul. 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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