noun. ['ˈsʌmp'] a covered cistern; waste water and sewage flow into it.
1. Noun, singular or mass Spray the walls and bottom of the sump pit with a garden hose. 2. Adjective Wipe and clean off the end of your existing sump pump outflow pipe with an old rag.
noun. ['ˈsʌmp'] an oil reservoir in an internal combustion engine.
noun. ['ˈsʌmp'] a well or other hole in which water has collected.
