All we know for sure is that scupper meant "to ambush and massacre" in 19th-century military slang. Then, just before the century turned, it found its place in a magazine story in the sense …

SCUPPER definition: 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. See examples of scupper …

scupper verb [T] (SPOIL) to cause something such as a plan or an opportunity to fail:

1. To sink (a ship) deliberately; scuttle. 2. To thwart or ruin: scupper a business deal. 3. Chiefly British To overwhelm or massacre.

Attempts to escape through the windows were scuppered by the grills that covered them. He did not specify who was attempting to scupper the accord. Members of these benches chose to try …

Feb 5, 2025 · Scuppers provide a pathway for water to flow through parapet walls or any other raised edge around a roof, such as gravel stop edge metal. They are commonly used in both …

A scupper is an opening in the side walls of a vessel or an open-air structure, which allows water to drain instead of pooling within the bulwark or gunwales of a vessel, or within the curbing or …

Jan 21, 2025 · A roof scupper is an opening in the edge or parapet wall of a flat or low-slope roof, designed specifically to channel water off your roof and allow it to properly drain.

Oct 9, 2025 · A roof scupper is a type of commercial roof drains that allows water to flow off a flat or low-sloped roof. Scuppers are typically located near the edges of the roof, and designed to …

/ˈskʌpər/ IPA guide Other forms: scuppers; scuppered; scuppering Definitions of scupper noun drain that allows water on the deck of a vessel to flow overboard see more