Definitions

1. noun

a person who sabotages a ship, or a person who intentionally causes harm or damage to someone or something.

“The saboteur was a scupper of the ship’s engines.”

2. verb

to ruin or spoil something, especially by removing or damaging a key or essential part.

“The storm scuppered our plans to go surfing.”

3. noun

a horizontal pipe or fitting used in plumbing to drain water from a sink or bath.

“The plumber said the scupper was clogged and needed to be cleaned.”