Meaning of RESERVOIR in English

RESERVOIR

(~s)

1.

A ~ is a lake that is used for storing water before it is supplied to people.

N-COUNT

2.

A ~ of something is a large quantity of it that is available for use when needed.

...the huge oil ~ beneath the Kuwaiti desert.

N-COUNT: with supp, oft N of n, adj N

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .