Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A channel for an overflow of water caused by flooding.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An engineered path to channel floodwaters away from areas to be protected

Etymologies

flood +‎ way (Wiktionary)

Examples

  • The floodway is a mix of public and private lands with easements giving the government the right to let water pass through.

    Heavy Rains Keep Levee-Blast Plans on Track

  • The Corps' breaching of the levee activated the floodway, which is diverting water for 35 miles before returning it to the Mississippi at New Madrid, Mo.

    Hopes Rise as Rivers Fall

  • So the provincial and federal governments got together and built the floodway, which is basically a giant ditch around the city.

    A Strategy for Coping with Natural Disasters

  • The floodway is a system that gives the corps a chance to manage flooding in a controlled way, causing damage to a specific area.

    NYT > Home Page

  • The crest is expected Saturday. called the floodway that diverts excess water around the city. rural residents voluntarily left their homes to avoid being

    Scientific American

  • In Missouri, the corps blew up a levee to send some of the river water into a floodway at Birds Point-New Madrid; it also opened the Morganza and Bonnet Carrie spillways in Louisiana.

    Mississippi flooding may have spread invasive fish

  • Major Gen. Michael Walsh, president of the Mississippi River Commission and a top officer with the Corps, has said he can't be sure whether he will activate the floodway to reduce pressure on levees and protect surrounding towns amid expected record flooding at the confluence of the Mississippi and Ohio rivers.

    Missouri Fights Levee Ruling

  • The floodway, a combination of public and private lands with easements granting the government the right to let water pass through, has been activated only once, in the record flood of 1937.

    Missouri Fights Levee Ruling

  • About 200 residents occupying some 90 homes in the floodway were ordered to evacuate last week.

    Levee Blast Still on Track

  • Those barges are now in place, but they have yet to set the explosives that would blow a 2,000-foot-wide hole in the levee at the top of the floodway, which measures 35 miles long and up to 12 miles wide.

    Missouri Fights Levee Ruling

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