[n] movement once around a course; "he drove an extra lap just for insurance"
[n] a journey or route all the way around a particular place or area; "they took an extended tour of Europe"; "we took a quick circuit of the park"; "a ten-day coach circuit of the island"
[n] an electrical device that provides a path for electrical current to flow
[n] (British) a racetrack for automobile races
[n] (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
[n] an established itinerary of venues or events that a particular group of people travel to; "she's a familiar name on the club circuit"; "on the lecture circuit"; "the judge makes a circuit of the courts in his district"; "the international tennis circuit"
[v] make a circuit; "They were circuiting about the state"