(~s)
A ~ is a small area in a river or the sea where the water is moving quickly round and round, so that objects floating near it are pulled into its centre.
N-COUNT
(~s)
A ~ is a small area in a river or the sea where the water is moving quickly round and round, so that objects floating near it are pulled into its centre.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012