cookie jar
Americannoun
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a jar or other container for storing cookies.
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such a container used for storing money.
idioms
Etymology
Origin of cookie jar
An Americanism dating back to 1940–45
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.