Definition of Morse code noun from the Oxford Advanced Learner's Dictionary

 

Morse code

 noun
noun
BrE BrE//ˌmɔːs ˈkəʊd//
 
; NAmE NAmE//ˌmɔːrs ˈkoʊd//
 
[uncountable]
 
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a system for sending messages, using combinations of long and short sounds or flashes of light to represent letters of the alphabet and numbers
See the Oxford Advanced American Dictionary entry: Morse code