| Noun | 1. | borsht circuit - (informal) a resort area in the Catskill Mountains of New York that was patronized primarily by Jewish guests; "many comedians learned their trade playing the borscht circuit" colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech Catskill Mountains, Catskills - a range of the Appalachians to the west of the Hudson in southeastern New York; includes many popular resort areas |