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1. A concrete illustration of a moral or principle.
2. A lesson taught by using a material object.
1. a convincing demonstration of some principle or ideal
2. (Education) (esp formerly) a lesson in which a material object forms the basis of the teaching and is available to be inspected
a practical or concrete illustration of a principle.
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|Noun||1.||object lesson - punishment intended as a warning to others; "they decided to make an example of him"|
admonition, word of advice, monition, warning - cautionary advice about something imminent (especially imminent danger or other unpleasantness); "a letter of admonition about the dangers of immorality"; "the warning was to beware of surprises"; "his final word of advice was not to play with matches"