|Origin:||murmure, from Latin murmur|
a soft low sound made by people speaking quietly or a long way away
the murmur of voices in the other room
She replied in a low murmur.
murmur of agreement/surprise/regret etc (=one that expresses a particular feeling)
There was a murmur of agreement from the crowd.
a complaint, but not a strong or official complaint
There have been murmurs of discontent over the new rules.
to do something without complaining, especially when this is surprising:
They signed the form without a murmur.
the soft low sound made by water, the wind etc:
the murmur of the little brook
5MIC heart murmur
an unusual sound made by the heart, which shows that there may be something wrong with it