Sos meaning

ĕs'ō-ĕs'
Special order sale.
initialism
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The letters that are represented by the Morse code signal · · · – – – · · ·, used as an international distress signal, especially by ships and aircraft.
noun
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A call or signal for help.
noun
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A signal of distress in code ( − − − ) used internationally in wireless telegraphy, as by ships.
noun
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Any call for help.
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(1) (Silicon On Sapphire) An MOS chip-fabrication method that places a thin layer of silicon over a sapphire substrate (base). This technique was used for earlier LSI fabrication, but not considered useful for higher-density VLSI chips. See SOI.
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The conventional Morse code call made by a ship in distress.

The keel has been scuppered "” send out an SOS.

noun
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Secretary of State.
initialism
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(games) A children's game involving placing S's and O's on a grid, and collecting points by creating an "SOS" sequence, played with alternating turns by opponents.
noun
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Origin of sos

  • 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.
    From Wiktionary