sun belt

sun belt idiom
The southern and southwestern United States, as in Retirees have been moving to the sun belt for years. It is so called for its warm climate. [Mid-1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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