spill·​way | \ ˈspil-ˌwā How to pronounce spillway (audio) \

Definition of spillway

: a passage for surplus water to run over or around an obstruction (such as a dam)

Examples of spillway in a Sentence

Recent Examples on the Web

Mississippi Jackson: The governor is asking that the federal government declare a fisheries disaster as water from a Mississippi River spillway gushes into what’s normally a saltwater estuary. USA TODAY, "Black Hills yaks, serious senioritis on campus, Pony Express: News from around our 50 states," 10 June 2019 Water levels at the spillway are not high enough to require its opening, based on Mississippi River forecasts, Army Corps of Engineers says. Mark Schleifstein, nola.com, "Near record low-oxygen ‘dead zone’ predicted for Gulf," 10 June 2019 This year’s months-long flood along the Mississippi led the Corps to open the spillway for an unprecedented second time, after already opening and closing it once before. Washington Post, "Mississippi seeks seafood disaster amid spillway complaints," 8 June 2019 Officials said the life of the dam has been extended through repairs to the earthen berm and concrete spillway structure. Jennifer Whidden, Milwaukee Journal Sentinel, "After $100,000 and a year of repairs, Waukesha County's School Section Lake is open again," 7 June 2019 Yesterday, after the state spent $1.1 billion on repairs, floodgates opened and water poured from a spillway into the Feather River for the first time since 2017. David Grossman, Popular Mechanics, "The Oroville Dam Almost Flooded Northern California. Now It's Working Again.," 3 Apr. 2019 In aerial photos taken on Tuesday, fissure 8 now only contains a small lava pool below the channel spillway. Travis Fedschun, Fox News, "Hawaii volcano activity slows, may be entering a pause, USGS says," 8 Aug. 2018 With months left in the rainy season, state spokesperson Nancy Vogel said California now has drones, cameras and human lookouts watching the dam and its spillways. Ellen Knickmeyer, Popular Mechanics, "If California Dam Failed, People Would Likely Be Trapped," 17 Feb. 2017 Inspectors will be on site around the clock to monitor the spillway’s performance should the floodgates open. Kurtis Alexander, San Francisco Chronicle, "Big storm raising flooding fears across Northern California," 4 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spillway.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of spillway

1889, in the meaning defined above

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Last Updated

17 Jun 2019

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Time Traveler for spillway

The first known use of spillway was in 1889

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Rhyming Dictionary: Words that rhyme with spillway

Britannica.com: Encyclopedia article about spillway

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incapable of being surmounted or overcome

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