- n a sac or cavity containing fluid especially lymph or cerebrospinal fluid
- n a tank that holds the water used to flush a toilet
- n an artificial reservoir for storing liquids; especially an underground tank for storing rainwater
- Roy Moore in Boston Globe (registration)
GOP leaders are "building a cistern that doesn't hold water," the guarded but intense Moore said in a recent interview.
- Cleopatra VII in MSNBC
This is the old cistern,Cleopatra said as we walked across a large rectangle. "This place was one of the first spots on earth where they made freshwater out of salt water. Those damn limeys have a strange fascination for remote and...