Radiotelegraphy code (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">radiotelegraphy code</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for morse that I've seen before include "10 [SLEUTH]" , "Oxford detective" , "& 24 Across Encrypted language" , "used to transmit messages" , "Code inventor, Samuel" .)