SOS
WordNet

noun


(1)   An internationally recognized distress signal in radio code
WiktionaryText

Etymology 1



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



  1. The conventional Morse code call made by a ship in distress.
    The keel has been scuppered — send out an SOS.

Noun



  1. 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.
 
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