* A large natural or artificial lake used as a source of water supply. This is the most common meaning. Think of a large lake that holds water for a city or town.
* A place where something is stored or collected. For example, a reservoir of knowledge or a reservoir of talent.
* A cavity or space in rock that contains oil, natural gas, or water. This is a geological term.
Therefore, the context of the word is important to determine the correct meaning. Can you please provide more information about where you encountered the word "reservorium" so I can understand the intended meaning?
