Definition of Morse code in English:

Morse code


  • An alphabet or code in which letters are represented by combinations of long and short signals of light or sound.

    • ‘I learned Morse code in my early teens, while taking a ham radio course.’
    • ‘They're able to contact the home base at the bottom of the mountain via Morse code, where Annie's brother Peter hears their plea for help.’
    • ‘The signals could be sent as messages or as Morse code using a combination of long and short flashes of light by opening and closing the shutter.’
    • ‘He learnt Morse code, obtained a licence to transmit radio signals, and started to use a radio transmitter which he had built himself.’
    • ‘Louis taps the receiver simultaneously in attempt to create Morse code.’
    • ‘The Air Force letter confirmed that the recording contained only identifiable Morse code which came from a known US-licensed radio station.’
    • ‘The sender would tap out messages in Morse code, which would be transmitted down the telegraph wire to a human decoder translating them back into ordinary characters.’
    • ‘In the early 20th century, telegraphists in the UK began experiencing ‘telegraphist's cramp ’, a condition thought to be caused by the rapid, repetitive movements required to send Morse code.’
    • ‘Ham radios can send messages on multiple channels and in myriad ways, including Morse code, microwave frequencies and even email.’
    • ‘The message then turns up on the screen and it beats out automatically in Morse code on the light.’
    • ‘The first telegraph messages from overseas were received in Morse code in this building on 22 October 1872 via the Overland Telegraph Line.’
    • ‘The sailor translates the message into Morse code (dots and dashes) and uses a signal light (floodlight with a venetian blind type shutter on it) to send the message to the other ship.’
    • ‘‘Luckily we had an Army signals operator with us, so we sent the girls a message in Morse code with a torch to tell them to stay where they were,’ Mr Farrow said.’
    • ‘Today, when we think of telegraphs we think of electric telegraphs, we think of wires and Morse code and dots and dashes and telegrams and that sort of thing.’
    • ‘There was a sudden tap on the booth as Cassandra squeezed the phone, and she recognized it to be Morse code (since she obviously couldn't see or hear the guard).’
    • ‘Campers are taught in an underground training center, learning to read navigational maps and to signal with flags and in Morse code.’
    • ‘The miners were tapping in Morse code, ‘Is there any hope?’’
    • ‘Seems Will figured out that maybe Chip could use Morse code to communicate.’
    • ‘This was not radio; it was ‘radiodiffusion’ as it was called at that time, when the equipment was used only to transmit Morse code on electro-magnetic waves.’
    • ‘It works like Morse code, which is a way to transmit the alphabet over radio waves using dots (short beeps) and dashes (long beeps).’


  • Signal (something) using Morse code.

    • ‘Using any key, you can Morse a message; the program is the 'receiver' and prints what it 'hears'.’


Mid 19th century: named after Samuel F. B. Morse (1791–1872), US inventor.


Morse code

/ˌmôrs ˈkōd/