(in measles) small pale spots with reddish rims that appear on the lips and mucous membranes inside the cheeks before the skin eruption takes place.
Origin of Koplik's spots
1895–1900; named after Henry Koplik (1858–1927), U.S. pediatrician
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Small red spots on the mucous membrane of the cheek, with a minute bluish-white speck in the center, regarded as symptomatic of measles.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.