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: scuppers, scuppering, scuppered

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

Encyclopedia: Scupper

• Bittacidae
• bitter
• bitter almond
• bitter almond oil
• bitter aloes
• bitter betch
• bitter cassava
• bitter chocolate
• bitter dock
• bitter end
• bitter floom
• bitter hickory
• bitter lemon
• bitter orange
• bitter orange tree
• bitter pea
• bitter pecan
• bitter pignut
• bitter principle
• bitter salts
• bitter spar
• bitter-bark
• bittercress
• bitterish
• bitterly