You can find definition of sos below. Words can have several meanings depending on the context. Their meaning may vary depending on where they are used. Please choose approriate definition according to part of speech and context. We have found 2 different definitions of sos. sos is a 3 letter word. It starts with s and ends with s.
an internationally recognized distress signal in radio code
the syllable naming the fifth (dominant) note of any musical scale in solmization