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flood plain

noun
1.
a nearly flat plain along the course of a stream or river that is naturally subject to flooding.
Also, floodplain.
Origin
1870-1875
1870-75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for floodplains
  • They cultivated crops for food, locating villages on or near fertile river floodplains.
British Dictionary definitions for floodplains

flood plain

noun
1.
the flat area bordering a river, composed of sediment deposited during flooding
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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floodplains in Science
floodplain
  (flŭd'plān')   
Flat land bordering a river and made up of alluvium (sand, silt, and clay) deposited during floods. When a river overflows, the floodplain is covered with water.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Value for floodplains

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