n.
   - a low continuous background noise.
- a quietly spoken utterance. ▸the quiet or subdued expression of a feeling. 
- Medicine  a recurring sound heard in the heart through a stethoscope that is usually a sign of disease or damage.
v.
  - say something in a murmur.
- make a low continuous sound.
Phrase
  
    
      - without a murmur
 without complaining.
 
  Derivative
  
    - murmurer n.
- murmurous adj.
 
  Etymology
  ME: from OFr. murmure, from murmurer ‘to murmur’, from L. murmurare, from murmur ‘a murmur’.