rust belt

noun (sometimes initial capital letters)
  1. the heavily industrial area of the northeastern U.S. containing the older industries and factories.

Origin of rust belt

First recorded in 1980–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for rust belt

rust belt

noun
  1. an area where heavy industry is in decline, esp in the Midwest of the US
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