Definition of floodway
:a channel for diverting floodwaters
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Recent Examples of floodway from the Web
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The flood sparked the federal construction of the levees and floodways that reduced but didn't eliminate the threat of flooding.
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Boise uses its parks and riverside paths as a natural floodway, to absorb flood waters and prevent flooding downstream.
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Habitat, groundwater and wetlands benefit from this passive flood control, and the Valley has developed a strong consensus on doing as much as possible to use undeveloped parts of the flood plain as floodways.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'floodway.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of floodway
1928
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