flood plain
Americannoun
noun
Etymology
Origin of flood plain
First recorded in 1870–75
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The inquest has heard that the area is a designated flood plain, but did not have signage warning walkers that the water level might be high at the time Xielo entered the water.
From BBC ● Feb. 3, 2026
That designation involves even more restrictions than the 100-year flood plain, generally prohibiting new construction and significant renovations to existing buildings.
From The Wall Street Journal ● Oct. 19, 2025
He even ordered the Army Corps of Engineers to release millions of gallons into a flood plain and then weirdly claimed that he'd "invaded" Los Angeles and solved its water problem.
From Salon ● Jun. 9, 2025
The flood plain is defined as areas that have at least a 1% chance of flooding each year, which is considered to be “high risk,” according to the Federal Emergency Management Agency.
From Los Angeles Times ● Apr. 30, 2025
Near the far edge of the flood plain I find Alice’s footsteps in a stretch of muddy sand.
From "On the Far Side of the Mountain" by Jean Craighead George
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
