murmur

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murmur

Med any abnormal soft blowing sound heard within the body, usually over the chest
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

murmur

[′mər·mər]
(medicine)
A blowing or roaring heart sound heard through the wall of the chest; caused by blood flow through a defective valve.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.