- an opening in a ship's side to allow water to drain from a weather deck
- a similar outlet in a building, as for water to run off from a floor or roof
Origin of scupperLate Middle English via uncertain or unknown; perhaps Anglo-French ; from Old French escopir, literally , to spit ; from Vulgar Latin an unverified form skuppire, of echoic origin, originally
- Nautical An opening in the side of a ship at deck level to allow water to run off.
- An opening for draining off water, as from a floor or the roof of a building.
Origin of scupperMiddle English scoper- (in scopernail, nail for attaching leather under a scupper to prevent dirty water from soiling the hull), probably from scopen, to scoop, from scope, a scoop; see scoop.
transitive verbscup·pered, scup·per·ing, scup·pers
- To sink (a ship) deliberately; scuttle.
- To thwart or ruin: scupper a business deal.
- Chiefly British To overwhelm or massacre.
Origin of scupperOriginally British military slang, to massacre, of unknown origin (probably later influenced by scuttle1).
From Dutch scheppen (“to draw off")
(third-person singular simple present scuppers, present participle scuppering, simple past and past participle scuppered)
Of unknown origin.