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

• restock
• restorable
• restoral
• restoration
• restorative
• restore
• restorer
• Restoril
• restrain
• restrainable
• restrained
• restrainer
• restraint
• restraint of trade
• restrengthen
• restrict
• restricted
• restricting
• restriction
• restriction endonuclease
• restriction enzyme
• restriction fragment
• restriction nuclease
• restriction site
• restrictive