(~s)
1.
A ~ is a traditional American dance in which sets of four couples dance together, forming a square at the beginning of the dance.
N-COUNT
2.
A ~ is a social event where people dance ~s.
N-COUNT
(~s)
1.
A ~ is a traditional American dance in which sets of four couples dance together, forming a square at the beginning of the dance.
N-COUNT
2.
A ~ is a social event where people dance ~s.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012