a trickling of mucus onto the pharyngeal surface from the posterior portion of the nasal cavity, usually caused by a cold or allergy.
Origin of postnasal drip
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
med a mucus secretion from the rear part of the nasal cavity into the nasopharynx, usually as the result of a cold or an allergy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The chronic secretion of mucus from the posterior nasal cavities.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.