reservoir

Meaning

Noun

• A place where anything is kept in store.
• A large natural or artificial lake used as a source of water supply.
• A small intercellular space, often containing resin, essential oil, or some other secreted matter.
• A supply or source of something.
• A species that acts as host to a zoonosis when it is not causing acute illness in other susceptible species.

Origin

• From French réservoir ("collection place") (fig.), réservoir (lit.). in turn from French réserver ("to reserve, keep").