Definition of reservoir

Definition of reservoir
  1. reservoir Noun A place where anything is kept in store; especially, a place where water is collected and kept for use when wanted, as to supply a fountain, a canal, or a city by means of aqueducts.
  2. reservoir Noun A small intercellular space, often containing resin, essential oil, or some other secreted matter.
  3. reservoir Noun A supply or source of something.
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