SOS
From Fresh Dictionary
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English
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Etymology
From the letters represented by the signal, chosen as a sequence that is easy to recall and transmit; it is not, as is commonly believed, an abbreviation for "save our souls", "save our ship" or any other phrase.
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Noun
SOS (plural SOS's)
- The conventional Morse code call made by a ship in distress.
- The keel has been scuppered — send out an SOS.
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Initialism
- Secretary of State