Morse code

noun

: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This unorthodox method utilizes air bubbles trapped in ice, which are manipulated to create various bubble shapes that can form messages in binary or Morse code. Jack Knudson, Discover Magazine, 20 June 2025 Enigma was usually used for messages transmitted over radio in Morse code. IEEE Spectrum, 4 Feb. 2025 In a life-or-death emergency, voice signals might fade or be unintelligible; Morse code could punch through static and bad weather. Laurie Gwen Shapiro, New Yorker, 2 June 2025 Rose told Guinness that Joseph knows the Greek alphabet and is currently learning Morse code. Toria Sheffield, People.com, 31 May 2025 See All Example Sentences for Morse code

Word History

Etymology

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

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Cite this Entry

“Morse code.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Morse%20code. Accessed 28 Jun. 2025.

Kids Definition

Morse code

noun
: 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

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