1. an entrance to a large building in which four partitions turn about a central axis.
▪ used to refer to a situation in which the same events recur in a continuous cycle: "many patients are trapped in a revolving door of admission, discharge, and readmission"
▪ an organization that people tend to enter and leave very quickly: "the newsroom became a revolving-door workplace"
▪ used to refer to a situation in which someone moves from an influential government position to a position in a private company, or vice versa:"the revolving door between the administration and private lobbying firms"