Pit that collects waste (4)
I believe the answer is:
sump
(Other definitions for sump that I've seen before include "Cesspool" , "Oil store" , "Crankcase reservoir" , "Hole collecting water for pump" , "Water collector" .)
I believe the answer is:
sump
(Other definitions for sump that I've seen before include "Cesspool" , "Oil store" , "Crankcase reservoir" , "Hole collecting water for pump" , "Water collector" .)