(~s)
A ~ is the amount of something that a sack contains or could contain.
...a ~ of presents...
= sack
N-COUNT: oft N of n
(~s)
A ~ is the amount of something that a sack contains or could contain.
...a ~ of presents...
= sack
N-COUNT: oft N of n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012