'SOS' definitions:

Definition of 'SOS'

(from WordNet)
noun
An internationally recognized distress signal in radio code

Definition of 'SOS'

From: GCIDE
  • SOS \SOS\ The letters signified by the signal ( . . . --- . . . ) prescribed by the International Radiotelegraphic Convention of 1912 for use by ships in distress. [Webster 1913 Suppl.]

Synonyms of 'SOS'

From: Moby Thesaurus

Acronyms for 'sos'

From: V.E.R.A.
  • Share Operating System (OS)
  • Sophisticated Operating System (OS, Apple)
  • Standards and Open Systems
  • Support On Site
  • Symbolic Operating System (OS)