Morse code


: either of two codes consisting of variously spaced dots and dashes or long and short sounds used for transmitting messages by audible or visual signals
morse code table

Examples of Morse code in a Sentence

Recent Examples on the Web In one experiment with sensors attached to index fingers, a volunteer was able to send messages using Morse code, with a bent finger representing a dash and a straight finger a dot. IEEE Spectrum, 14 Mar. 2024 First used to send messages over land in 1844, Morse code outlived the telegraph age by becoming the lingua franca of the sea. Saahil Desai, The Atlantic, 2 Mar. 2024 But neither Earhart nor Noonan knew Morse code, so there was no two-way contact, according to the Smithsonian Institute’s analysis of government records. USA TODAY, 29 Jan. 2024 In total, the message will be sent four times: twice in Morse code, twice in radio teletype. Cathy Alter, WIRED, 27 Aug. 2023 Decode the Fun with This Bracelet A Morse code KGBNCIE bracelet—get this for your special someone in a plethora of messages, including some delightfully NSFW ones. Cristian Esteban, Rolling Stone, 1 Dec. 2023 Another great way to train your Morse code skills is to, obviously, listen to some Morse code. Darren Orf, Popular Mechanics, 24 July 2023 The messages in Morse code were picked up by other ships and receiving stations onshore, which helped to save the lives of about 700 people who fled in life boats. CBS News, 12 Oct. 2023 Two whale sharks, the largest fish on the planet, glided around me, their blue-gray skin a Morse code of chalky dots and dashes. Shamilee Vellu, Travel + Leisure, 5 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Morse code.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Samuel F. B. Morse

First Known Use

1859, in the meaning defined above

Time Traveler
The first known use of Morse code was in 1859

Dictionary Entries Near Morse code

Cite this Entry

“Morse code.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2024.

Kids Definition

Morse code

: either of two codes consisting of dots and dashes or long and short sounds used for sending messages
morse code table

More from Merriam-Webster on Morse code

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!