reservoir
res|er|voir /r'ezərvwɑːr/ (reservoirs)
1 [N-COUNT]
A reservoir is a lake that is used for storing water before it is supplied to people.
2 [N-COUNT] with supp, oft N of n, adj N
A reservoir of something is a large quantity of it that is available for use when needed.
...the huge oil reservoir beneath the Kuwaiti desert.
1 [N-COUNT]
A reservoir is a lake that is used for storing water before it is supplied to people.
2 [N-COUNT] with supp, oft N of n, adj N
A reservoir of something is a large quantity of it that is available for use when needed.
...the huge oil reservoir beneath the Kuwaiti desert.