warm the cockles of one's heart
To cause a feeling of affectionate happiness: “The thought of his grandmother was enough to warm the cockles of his heart.”
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The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Idioms and Phrases with warm the cockles of one's heart
warm the cockles of one's heart
Gratify one, make one feel good, as in It warms the cockles of my heart to see them getting along so well. This expression uses a corruption of the Latin name for the heart's ventricles, cochleae cordis. [Second half of 1600s]
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The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.