scupper1

 
Pronunciation: /ˈskʌpə/

noun

(usually scuppers)
  • a hole in a ship’s side to carry water overboard from the deck.
  • an outlet in the side of a building for draining water.

Origin:

late Middle English: perhaps via Anglo-Norman French from Old French escopir 'to spit'; compare with German Speigatt, literally 'spit hole'