WordWeb Online

1. Drain that allows water on the deck of a vessel to flow overboard

1. Wait in hiding to attack
   - ambush, bushwhack [N. Amer], waylay, lurk, ambuscade, lie in wait
    
2. Put in a dangerous, disadvantageous, or difficult position
   - queer, expose, endanger, peril

Derived forms: scuppering, scuppered, scuppers

Type of: affect, bear on, bear upon, drain, drainpipe, impact, touch, touch on, wait, waste pipe

Encyclopedia: Scupper