(~s)
1.
The ~s of a boat are the tall upright poles that support its sails.
N-COUNT
2.
A radio ~ is a tall upright structure that is used to transmit radio or television signals.
N-COUNT
(~s)
1.
The ~s of a boat are the tall upright poles that support its sails.
N-COUNT
2.
A radio ~ is a tall upright structure that is used to transmit radio or television signals.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012