1. 
   murmuring
   [adj] - making a low continuous indistinct sound
   Found op http://www.webdictionary.co.uk/definition.php?query=murmuring
   
   
2. 
   Murmuring
   Mur'mur·ing adjective & noun Uttering murmurs; making low sounds; complaining. -- Mur'mur*ing*ly , adverb
   Found op http://www.encyclo.co.uk/webster/M/117
   
   
3. 
   murmuring
   susurrant adjective making a low continuous indistinct sound; `like murmuring waves`; `susurrant voices`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=murmuring
   
   
4. 
   Murmuring
   • (a. & n.) Uttering murmurs; making low sounds; complaining. • (p. pr. & vb. n.) of Murmur
   Found op http://thinkexist.com/dictionary/meaning/murmuring/
   
   
5. 
   murmuring
   1) Making a low continuous indistinct sound 2) Soft 3) Susurrant 4) Whispering
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/murmuring/1
   
   

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