Open Dictionary

SOS

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English

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.

Noun

SOS (plural SOS's)

The conventional Morse code call made by a ship in distress.

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WordNet Definitions

The noun "sos" has one sense:

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