noun: an electrical device that provides a path for electrical current to flow
noun: (law) a judicial division of a state or the United States (so-called because originally judges traveled and held court in different locations); one of the twelve groups of states in the United States that is covered by a particular circuit court of appeals
noun: an established itinerary of venues or events that a particular group of people travel to
Example: "She's a familiar name on the club circuit"
noun: a journey or route all the way around a particular place or area