Refers to a pit or tank for collecting waste, especially manure or sewage. Often appears in compounds like 肥溜め (manure pit).
See also: 肥溜め
Old farmhouses had a manure pit.
The cesspool is about to overflow.
rubbish heap; garbage dump
accumulate; store up; hoard
cesspool; night-soil reservoir; manure pit
pent-up tears
The noun form of 溜める (to accumulate), referring to a place where something is collected. The kanji 溜 carries the meaning of 'accumulate' or 'collect'.