Exit a country momentarily and reenter. Usually this is done to satisfy immigration requirements.
A tall pole up which one or more flags may be raised and flown.
To inadvertently prevent (a person, particularly oneself) from entering a place, by leaving it locked.
To prevent from accessing a data structure.
An event in which an employer bars employees from working as a tactic in negotiating terms of employment, particularly in response to a strike or threat to strike.