(~s, ~ing, ~ed)
A ~ is a line or ring of police, soldiers, or vehicles preventing people from entering or leaving an area.
Police formed a ~ between the two crowds.
N-COUNT
(~s, ~ing, ~ed)
A ~ is a line or ring of police, soldiers, or vehicles preventing people from entering or leaving an area.
Police formed a ~ between the two crowds.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012