add. ·- the letters signified by the signal (...---...) prescribed by the international radiotelegraphic convention of 1912 for use by ships in distress.
SOS
Meaning of SOS in English
Webster English vocab. Английский словарь Webster. 2012
add. ·- the letters signified by the signal (...---...) prescribed by the international radiotelegraphic convention of 1912 for use by ships in distress.
Webster English vocab. Английский словарь Webster. 2012