sun·belt / ˈsənˌbelt/ (also sun belt) • n. a strip of territory receiving a high amount of sunshine, esp.: ∎ (Sunbelt or Sun Belt) the southern U.S. from California to Florida, noted for resort areas and for the movement of businesses and population into these states from the colder northern states.
"sunbelt." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (March 19, 2019). https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/sunbelt-1
"sunbelt." The Oxford Pocket Dictionary of Current English. . Retrieved March 19, 2019 from Encyclopedia.com: https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/sunbelt-1