Definition of floodplain
1 : level land that may be submerged by floodwaters
2 : a plain built up by stream deposition
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Recent Examples of floodplain from the Web
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The BPA has paid to restore nearly 9,000 acres of floodplain to closer to its natural state.
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Kinderdijk, which translates to children's dike, lies in the Alblasserwaard polder (land that's been reclaimed from the sea, marshes or river floodplains) at the confluence of the Lek and Noord rivers.
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About 1.4 acres of wetlands; 4,000 feet of stream; 9.4 acres of floodplain; and 33 acres of forest will be impacted.
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And there are thousands of them, part of a vast and swampy floodplain forest.
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Hall holds hundreds of acres of floodplain along the Trinity River under a mitigation banking business.
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The site comprises deserts, riparian forests and floodplains of the Ili River, deciduous and spruce forests as well as salt marshes.
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While ranchers on the coasts can transport cattle with trucks, the excess of water and the shortage of roads make that impossible in the biggest floodplain in the world.
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The roadway and structure of Farnsworth will be raised 2.5 feet, which will remove it from the floodplain, as part of the plan.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'floodplain.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of floodplain
1873
FLOODPLAIN Defined for English Language Learners
floodplain
playDefinition of floodplain for English Language Learners
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: an area of low, flat land along a stream or river that may flood
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: an area of land built up from soil left by floods
FLOODPLAIN Defined for Kids
floodplain
playDefinition of floodplain for Students
: low flat land along a stream that is flooded when the stream overflows
Learn More about floodplain
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See words that rhyme with floodplain Britannica.com: Encyclopedia article about floodplain
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