Definition of murmur
(Entry 1 of 2)
1 : a half-suppressed or muttered complaint : grumbling murmurs of disapproval
2a : a low indistinct but often continuous sound
a murmur of voices the murmur of the waves along the shore
b : a soft or gentle utterance
the murmur of nannies cooing into baby carriages— Nancy Gibbs
3 : an atypical sound of the heart typically indicating a functional or structural abnormality
The physician detected a heart murmur in his patient.
murmur
verbmurmured; murmuring; murmurs
Definition of murmur (Entry 2 of 2)
: to say in a murmur
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Time Traveler for murmur
The first known use of murmur was in the 14th century
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