also fog horn
(~s)
A ~ is a piece of equipment that makes a loud noise and is used to warn ships about the position of land and other ships in fog.
N-COUNT
also fog horn
(~s)
A ~ is a piece of equipment that makes a loud noise and is used to warn ships about the position of land and other ships in fog.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012