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floodway

American  
[fluhd-wey] / ˈflʌdˌweɪ /

noun

  1. the channel and adjacent shore areas under water during a flood, especially as determined for a flood of a given height.


floodway Scientific  
/ flŭdwā′ /
  1. A channel for an overflow of water caused by flooding.


Etymology

Origin of floodway

First recorded in 1885–90; flood + way 1

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.

Some areas on the east side of the city that had been removed from the floodway were inundated.

From The Wall Street Journal • Oct. 19, 2025

Fema's official flood maps show that some of Camp Mystic's cabins were within a "floodway", a particularly hazardous area where dangerous floodwaters would be expected to flow, the New York Times reported.

From BBC • Jul. 13, 2025

She became an activist for the devastated Broadmoor neighborhood, helping scuttle early plans to raze what was left there and turn the area into a park and floodway.

From Seattle Times • Mar. 22, 2023

River Partners played a key role in creating the Dos Rios Ranch Preserve, a 2,100-acre floodway expansion near the confluence of the San Joaquin and Tuolumne rivers.

From New York Times • Jan. 5, 2023

The floodway has recently been expanded so that it can be used to divert more of the Red River’s flow away from Winnipeg.

From Textbooks • Jan. 1, 2015

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