SOS


Meaning of SOS in English

An ~ is a signal which indicates to other people that you are in danger and need help quickly.

The ferry did not even have time to send out an ~.

N-SING

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .