Definition of scupper
(Entry 1 of 2)
1 : an opening cut through the bulwarks of a ship so that water falling on deck may flow overboard
2 : an opening in the wall of a building through which water can drain from a floor or flat roof
scupper
verbscuppered; scuppering; scuppers
Definition of scupper (Entry 2 of 2)
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Words of Snow and Ice Quiz
- Which of the following refers to thin, bending ice, or to the act of running over such ice?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Words of Snow and Ice Quiz
A selection of words from the chillier parts of t...
Take the quizName that Thing: Toys and Games Edition
It's all fun and games until someone beats your h...
Take the quizSpell It
Can you spell these 10 commonly misspelled words?
Take the quizSCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share scupper
Time Traveler for scupper
The first known use of scupper was in the 15th century
See more words from the same century