(~s)
1.
A ~ is a box containing treasure.
N-COUNT
2.
If you describe something as a ~ of a particular thing, you mean that it is very good source of that thing.
This book is a ~ of information.
N-COUNT: usu N of n
(~s)
1.
A ~ is a box containing treasure.
N-COUNT
2.
If you describe something as a ~ of a particular thing, you mean that it is very good source of that thing.
This book is a ~ of information.
N-COUNT: usu N of n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012