from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A plain bordering a river and subject to flooding.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An alluvial plain that may or may not experience occasional or periodic flooding.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding


Sorry, no etymologies found.


  • Land along rivers is usually characterized by floodplain levels related to past submergence in times of high water.

    Bird Cloud

  • September 2, 2005 at 10: 24 am building on a floodplain is folly, and that’s exactly what New Orleans did.

    Rebuilding New Orleans? « BuzzMachine

  • It's part of the little hills that you get on both sides of that floodplain, which is the Missouri Valley.

    CNN Transcript Jun 11, 2008

  • There are three other snakes that are nearly endemic to the ecoregion, namely floodplain water snake (Lycodonomorphus obscuriventris), dwarf wolf snake (Lycophidion nanus) and eyebrow viper (Proatheris superciliaris).

    Zambezian coastal flooded savanna

  • In contrast to the grasslands, the floodplain was a wilderness of marshes, small lakes, woods, and tangled undergrowth with the river churning through it.

    The Plains of Passage

  • The huge trees of the floodplain are an extra attraction, offering leafy canopies for nesting, large crops of seeds and nuts, and trunks riddled with nesting cavities and bark insects.

    The Field Guide to Wildlife Habitats of the Eastern United States

  • The main reason is overbuilding on the floodplain, which is often forced on the council against its will and when its judgment was rather better.

    The Latest From

  • But Bridges ruled that the county had no right to withhold the permits, namely a floodplain development permit and land development compliance permit.


  • "The floodplain is the top of the bank, so all of those walls are subject to going underwater and having extreme velocities," Clark said.


  • And I can't speak for every citizen in the city of Cedar Rapids, which is a city of 120,000 people, but anecdotally, yes, many of the people that we talked to said because they were told they live in a 500-year floodplain, meaning something like this only happens every 500 years, that they did not need flood insurance, and so they didn't buy it.

    CNN Transcript Jun 16, 2008


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