A low, indistinct, continuous sound: spoke in a murmur; the murmur of the waves.
An indistinct, whispered, or confidential complaint; a mutter.
Medicine An abnormal sound, usually emanating from the heart, that sometimes indicates a diseased condition.
v.
mur·mured, mur·mur·ing, mur·murs
v.
intr.
To make a low, continuous, indistinct sound or succession of sounds.
To complain in low mumbling tones; grumble.
v.
tr. 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.] mur'mur·er n., mur'mur·ing·ly adv., mur'mur·ous adj., mur'mur·ous·ly adv.