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.

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floodway Scientific  

/ flŭd′wā′ /

1. A channel for an overflow of water caused by flooding.

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Etymology

Origin of floodway

First recorded in 1885–90; flood + way ¹

Example Sentences

Developments in “a city with more than 85,000 but fewer than 95,000 people, and within a county of between 440,00 and 455,000 people,” and which are also near a historical landmark, regulatory floodway and watershed, are not exempt, the bill stated.

From Los Angeles Times

The new version was expected to put hundreds of homes on Livingston’s southeast side, a historic area near the river, in what is known as the floodway, the principal path of floodwaters.

From The Wall Street Journal

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

From The Wall Street Journal

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

He said, judging from the maps, it appears that a number of cabins at the summer camp were within a federally designated “floodway” and were at high risk.

From Los Angeles Times