Scup·per n. Naut. An opening cut through the waterway and bulwarks of a ship, so that water falling on deck may flow overboard; -- called also scupper hole.
Scupper hose Naut., a pipe of leather, canvas, etc., attached to the mouth of the scuppers, on the outside of a vessel, to prevent the water from entering. --Totten.
Scupper nail Naut., a nail with a very broad head, for securing the edge of the hose to the scupper.
Scupper plug Naut., a plug to stop a scupper. --Totten.
n : drain that allows water on the deck of a vessel to flow
v 1: wait in hiding to attack [syn: ambush, bushwhack, waylay,
lurk, ambuscade, lie in wait]
2: put in a dangerous, disadvantageous, or difficult position
[syn: queer, expose, endanger, peril]