Usage: sometimes capitalized G&C
: a real-estate movement originating in England about 1875 and advocating the development of planned residential communities with park and planted areas
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a city or part of a city that has been specially designed to have a lot of open spaces, parks and trees
Culture:
Several British towns were built as garden cities in the first half of the 20th century, including Letchworth and Welwyn Garden City. They were planned to encourage ordinary people to move from crowded cities and to give them a better standard of living, and consist of simple, modern houses, shops and businesses surrounded by gardens, trees and parks. The garden city movement was started by Sir Ebenezer Howard and was followed by the idea of ↑new towns in the second half of the 20th century.
Useful english dictionary. 2012.