Simple Definition of floodplain
: an area of low, flat land along a stream or river that may flood
: an area of land built up from soil left by floods
Full Definition of floodplain
1 : level land that may be submerged by floodwaters
2 : a plain built up by stream deposition
First Known Use of floodplain
Rhymes with floodplain
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FLOODPLAIN Defined for Kids
Definition of floodplain
: low flat land along a stream that is flooded when the stream overflows
Learn More about floodplain
Britannica.com: Encyclopedia article about "floodplain"
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