Murmur

n.	1.	A low, confused, and indistinct sound, like that of running water.
	2.	A complaint half suppressed, or uttered in a low, muttering voice. Some discontents there are, some idle murmurs. - Dryden.
v. i.	1.	To make a low continued noise, like the hum of bees, a stream of water, distant waves, or the wind in a forest. [imp. & p. p. Murmured ; p. pr. & vb. n. Murmuring.] They murmured as doth a swarm of bees. - Chaucer.
	2.	To utter complaints in a low, half-articulated voice; to feel or express dissatisfaction or discontent; to grumble; - often with at or against. And all the children of Israel murmured against Moses and against Aaron. - Num. xiv. 2. Neither murmur ye, as some of them also murmured. - 1 Cor. x. 10.
v. t.	1.	To utter or give forth in low or indistinct words or sounds; as, to murmur tales. The people murmured such things concerning him. - John vii. 32.

Noun	1.	murmur - a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech Synonyms: murmuration, murmuring, mussitation, mutter, muttering
	2.	murmur - a schwa that is incidental to the pronunciation of a consonant Synonyms: murmur vowel
	3.	murmur - an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves Synonyms: cardiac murmur, heart murmur
	4.	murmur - a complaint uttered in a low and indistinct tone Synonyms: grumble, grumbling, murmuring, mutter, muttering
Verb	1.	murmur - speak softly or indistinctly; "She murmured softly to the baby in her arms"
	2.	murmur - make complaining remarks or noises under one's breath; "she grumbles when she feels overworked" Synonyms: gnarl, grumble, mutter, croak

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