floodway.

A channel or area through which floodwater is allowed or directed to flow.

Use it for

Words that belong together

• a designated floodway
• floodway clearance

On the page

The old road crossed a designated floodway below the reservoir.

Usage notes

Primary category: setting / environment. Forms: Singular floodway; plural floodways. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: setting, description. Commonness: moderately common.