scup·per [skuhp-er] (previously 05-29-13)
1. 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.
2. 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.
3. any opening in the side of a building, as in a parapet, for draining off rain water.
Origin: 1475–85; earlier skoper. See scoop, -er
verb (used with object) British.
1. Military. to overwhelm; surprise and destroy, disable, or massacre.
2. Informal. to prevent from happening or succeeding; ruin; wreck.
Origin: 1880–85; origin uncertain
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