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| SOS [ èss ō éss ] (plural SOSs) |
noun |
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| Definition: |
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1. distress signal: an international radio signal that ships or aircraft in serious distress can use to call for help. It consists of the letters "SOS" in Morse code ( ... - - - ... ).
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2. call for help: a call or signal requesting help
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| [Early 20th century. < letters that are clear and easy to transmit; popularly regarded as abbreviation of save our souls] |
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