SOS Hear it!

SOS definition

SOS (es′ō′es′)

noun

  1. a signal of distress in code (··· −−− ···) used internationally in wireless telegraphy, as by ships
  2. Informal any call for help

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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