- Nautical. a drain at the edge of a deck exposed to the weather, for allowing accumulated water to drain away into the sea or into the bilges.Compare freeing port.
- a drain, closed by one or two flaps, for allowing water from the sprinkler system of a factory or the like to run off a floor of the building to the exterior.
- any opening in the side of a building, as in a parapet, for draining off rain water.
Origin of scupper1
- Military. to overwhelm; surprise and destroy, disable, or massacre.
- Informal. to prevent from happening or succeeding; ruin; wreck.
Origin of scupper2
Examples from the Web for scupper
As the equality movement found a renewed focus and determination, so its opponents ratcheted up their efforts to scupper it.How Robin Williams’ Mrs. Doubtfire Won the Culture Wars
August 13, 2014
The minister fears that now even lesser frictions could scupper the new agreement.Taliban Slams Loya Jirga Bilateral Security Agreement
Ron Moreau & Sami Yousafzai
November 26, 2013
It obstructs the approaches to the 'scupper' in front of my cabin door.Oswald Langdon
Carson Jay Lee
"Here, all hands," he ordered, and shoved his rifle out of the scupper.Gold Out of Celebes
Aylward Edward Dingle
Then he indicated the two glasses, which had rolled into the scupper channel.Brandon of the Engineers
"Not so easy," he muttered, flicking the match into the scupper.Captain Macedoine's Daughter
Sneak aboard, get into a scupper or a barrel or something, and ship for America.'From the Bottom Up
- nautical a drain or spout allowing water on the deck of a vessel to flow overboard
- an opening in the side of a building for draining off water
- a drain in a factory floor for running off the water from a sprinkler system
- slang to overwhelm, ruin, or disable
- to sink (one's ship) deliberately
Word Origin and History for scupper
"opening in a ship's side at deck level to let the water flow out," early 15c., perhaps from Old French escopir "to spit out," or related to Dutch schop "shovel," or from Middle English scope "scoop" (see scoop (n.)).