_Example: "These springs form part of a large underground reservoir of water."_
In engineering and industry, a storage facility for a liquid or gas.
_Example: "The tanker filled up at a reservoir before leaving for its destination."_
Figuratively, a source or supply of something.
_Example: "He had an impressive reservoir of knowledge and experience to draw upon."_
In computing, a storage area in random access memory (RAM) or a database.
_Example: "Data is stored in reservoirs of memory and retrieved as required."_
