Definition of: murmur

(mûr′mər) noun
1. A low sound continually repeated.
2. A complaint uttered in a half–articulate voice.
3. An abnormal, rasping sound heard in certain morbid conditions: a heart murmur.
—v.i.
1. To make a murmur.
2. To complain in a low tone; mutter.
—v.t.
3. To utter in a low tone. See synonyms under BABBLE, COMPLAIN. [<OF <Ḷ]
—mur′mur·er noun
—mur′mur·ing adjective
—mur′mur·ing·ly adverb