(~s)
1.
A ~ is a medicine or drug that calms you or makes you sleep.
They use opium as a ~, rather than as a narcotic.
N-COUNT
2.
Something that has a ~ effect calms you or makes you sleep.
Amber bath oil has a ~ effect.
ADJ: ADJ n
(~s)
1.
A ~ is a medicine or drug that calms you or makes you sleep.
They use opium as a ~, rather than as a narcotic.
N-COUNT
2.
Something that has a ~ effect calms you or makes you sleep.
Amber bath oil has a ~ effect.
ADJ: ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012