circuit

an electrical device that provides a path for electrical current to flow

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"

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"

the boundary line encompassing an area or object; "he had walked the full circumference of his land"; "a danger to all races over the whole circumference of the globe"

(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

a racetrack for automobile races

movement once around a course; "he drove an extra lap just for insurance"

make a circuit; "They were circuiting about the state"