circuit circuit /ˈsɝːkət/

noun

1. () An electrical device that provides a path for electrical current to flow  ( electrical circuit , electric circuit , circuit )
   an electrical device that provides a path for electrical current to flow
     The electrical circuit powered the lights in the room.
   The electrical circuit powered the lights in the room.
   
   
2. () A journey or route all the way around a particular place or area  ( circuit , tour )
   a journey or route all the way around a particular place or area
    They took an extended tour of Europe
   they took an extended tour of Europe
    We took a quick circuit of the park
   we took a quick circuit of the park
    A ten-day coach circuit of the island
   a ten-day coach circuit of the island
   
3. Movement once around a course  ( circuit , lap , circle )
   movement once around a course
    He drove an extra lap just for insurance
   he drove an extra lap just for insurance
   
4. [British] A racetrack for automobile races  ( circuit [British] , racing circuit [British] )
   a racetrack for automobile races
   
   
5. (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  ( circuit )
   (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
   
6. The boundary line encompassing an area or object  ( circuit , circumference )
   the boundary line encompassing an area or object
    He had walked the full circumference of his land
   he had walked the full circumference of his land
    A danger to all races over the whole circumference of the globe
   a danger to all races over the whole circumference of the globe
   
7. An established itinerary of venues or events that a particular group of people travel to  ( circuit )
   an established itinerary of venues or events that a particular group of people travel to
    She's a familiar name on the club circuit
   she's a familiar name on the club circuit
    On the lecture circuit
   on the lecture circuit
    The judge makes a circuit of the courts in his district
   the judge makes a circuit of the courts in his district
    The international tennis circuit
   the international tennis circuit
   

verb

1. Make a circuit  ( circuit )
   make a circuit
    They were circuiting about the state
   They were circuiting about the state