Definitions

1. noun

the waste water from households or institutions, especially kitchens and bathrooms, before it is treated or discharged into the sewage system.

“The building’s sullage system needed to be overhauled to prevent environmental pollution.”

2. noun

the liquid waste discharged from a ship, especially from a kitchen or other source.

“The ship’s sullage was being dumped into the ocean, causing controversy among environmental groups.”