cistern Hear it!

cistern definition

cis·tern (sis′tərn)

noun

  1. a large receptacle for storing water; esp., a tank, usually underground, in which rain water is collected for use
  2. Anat. a sac or cavity containing a natural body fluid

Etymology: ME cisterne > OFr < L cisterna, reservoir for water < cista, chest

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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