(~s)
1.
A ~ is a thin flat ring of metal or rubber which is placed over a bolt before the nut is screwed on.
N-COUNT
2.
A ~ is the same as a washing machine . (INFORMAL)
N-COUNT
(~s)
1.
A ~ is a thin flat ring of metal or rubber which is placed over a bolt before the nut is screwed on.
N-COUNT
2.
A ~ is the same as a washing machine . (INFORMAL)
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012