object lesson


noun

a practical or concrete illustration of a principle.

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Origin of object lesson

First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for object lesson

British Dictionary definitions for object lesson

object lesson

noun

a convincing demonstration of some principle or ideal
(esp formerly) a lesson in which a material object forms the basis of the teaching and is available to be inspected
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