1. (noun)mutter, muttering, murmur, murmuring, murmuration, mussitation a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
3. (verb)murmur to make a low continued noise, like the hum of bees, a stream of water, distant waves, or the wind in a forest
4. (verb)murmur to utter complaints in a low, half-articulated voice; to feel or expressdissatisfaction or discontent; to grumble; -- often with at or against
5. (verb)murmur to utter or giveforth in low or indistinct words or sounds; as, to murmur tales
Definition of murmur 
