Etymology
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Morse code (n.)

character encoding system originally invented for use with the telegraph, by 1860, earlier Morse key (1858), so called in honor of Samuel F.B. Morse (1791-1872), U.S. inventor who produced a system of telegraphic communication in 1836. He invented both the recording telegraph and the alphabet of dots and dashes.

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Definitions of Morse code

Morse code (n.)
a telegraph code in which letters and numbers are represented by strings of dots and dashes (short and long signals);
Synonyms: Morse / international Morse code
From wordnet.princeton.edu