Level land subject to periodic flooding from a contiguous body of water. Floodplains are described by the frequency with which flooding is expected; a bi-annual floodplain is expected to be flooded once every two years.

Use floodplain in a sentence

You should have flood insurance if your business lies on a floodplain so that you do not have to pay for all the damages.

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It was a floodplain, so I reminded my friend that we should not leave our car there in the open, because it might get too wet..

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The Mississippi delta, which extends from Vicksburg almost as far north as Memphis, is the easily America's most familiar and culturally important floodplain.

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flood prone area floor