: 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.
Beepers and Morse code are also involved. Leigh Anne Miller, ARTnews.com, 10 Apr. 2026 In a 1916 study, Navy soldiers seemed to better learn Morse code when it was played overnight. Shayla Love, New Yorker, 1 May 2026 This disconnect has consequences beyond whether someone else can understand your Morse code version of a song. Tommy Blanchard, The Conversation, 13 May 2026 Some viewers urged others to contact authorities, while others debated whether the flickering lights truly matched Morse code. Ashley Vega, PEOPLE, 2 Feb. 2026 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 7 Jul. 2026.

Kids Definition

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

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