In demonologyMurmur is a Great Duke and Earl of Hell, and has thirty legions of demons under his command. He teaches Philosophy, and can oblige the souls of the deceased to appear before the conjurer to answer every desired question. According to some authors he also teaches music.
Murmur is depicted as a soldier riding a vulture or a griffin, and wearing a ducal crown. Two of his ministers go before him making sound trumpets. Some authors portray him simply as a vulture.
'Murmur' in Latin means noise, whisper, murmur, and the sound of the trumpet.
In common usage, the word murmur means a soft-sounded and quiet utterance, often where the speaker does not want to be known. Gossip and rumours, as well as desent and mocking talk about an authority, are often described as murmurs.
A heart murmur is a quiet sound emanating from the chest. Heart mumurs are caused by abnormal or pathological heart valves.
