Proper noun
Gateway City
(somewhat informal) The city of Saint Louis, in Missouri.
As they try to lure the 2012 Democratic National Convention to the Gateway City, some St. Louis, Missouri leaders see a theme emerging that might separate their city from its competitors. Source: Internet
REGENT THEATRE, Wollongong: The Gateway City Church bought the 1500-seat theatre in January 2005 and the building was heritage-listed in April that same year. Source: Internet