sonorous rale
(sŏn′ər′əs, sə-nôr-)- A cooing or snoring sound heard on auscultation, often produced by the vibration of a projecting mass of viscid secretion in a large bronchus.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.