1. A low, indistinct, continuous sound: spoke in a murmur; the murmur of the waves.
2. An indistinct, whispered, or confidential complaint; a mutter.
3. Medicine An abnormal sound, usually emanating from the heart, that sometimes indicates a diseased condition.
v.mur·mured, mur·mur·ing, mur·murs
1. To make a low, continuous, indistinct sound or succession of sounds.
2. To complain in low mumbling tones; grumble.
To say in a low indistinct voice; utter indistinctly: murmured his approval.
[Middle English murmure, from Old French, from Latin murmur, a humming, roaring, of imitative origin.]
murmur /mrmr/ n.1 a low, unclear sound: A murmur of conversation went through the classroom after the teacher announced the date of the exam.2 (in medicine) an irregular beating of the heart: The doctor says that the child has a heart murmur. v. [I;T] to sound or speak with a low unclear tone: My husband murmured, Lets leave this boring party.