A lake.
A bay or arm of the sea.
A large natural or artificial lake used as a source of water supply.
A species that acts as host to a zoonosis when it is not causing acute illness in other susceptible species.
A "black box" component that receives an input signal to be read out and mapped by another process, as part of reservoir computing.
A small intercellular space, often containing resin, essential oil, or some other secreted matter.
A supply or source of something.
A place where anything is kept in store.
To store or keep (something) in or as in a reservoir.