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floodplain

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noun flood·plain \ˈfləd-ˌplān\

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of floodplain

  1. 1 :  level land that may be submerged by floodwaters

  2. 2 :  a plain built up by stream deposition

1873

First Known Use of floodplain

1873


FLOODPLAIN Defined for Kids

floodplain

play
noun flood·plain \ˈfləd-ˌplān\

Definition of floodplain for Students

  1. :  low flat land along a stream that is flooded when the stream overflows




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