Meaning of MORSE in English

MORSE

(code) [noun] [U] - a system used internationally for sending messages, in which letters and numbers are represented by short and long marks, sounds or flashes of lightThe ship's radio officer tapped out a message in Morse code.Dot dot dot, dash dash dash, dot dot dot is Morse code for SOS.

Cambridge English vocab.      Кембриджский английский словарь.