Cistern
WordNet

noun


(1)   An artificial reservoir for storing liquids; especially an underground tank for storing rainwater
(2)   A tank that holds the water used to flush a toilet
(3)   A sac or cavity containing fluid especially lymph or cerebrospinal fluid
WiktionaryText

Etymology


From from from , from .

Noun



  1. A reservoir or tank for holding water, especially for catching and holding rainwater for later use.
    • 1913, A.C. Cotter, Catholic Encyclopedia, "Wells in Scripture",
      Their extreme necessity is attested by the countless number of old, unused cisterns with which the Holy Land is literally honeycombed.
      1. In a flush toilet, the container in which the water used for flushing is held; a toilet tank.
 
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