circuit

noun

1
movement once around a course
he drove an extra lap just for insurance
2
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
3
an electrical device that provides a path for electrical current to flow
4
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
6
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
7
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

Also useful for “circuit”:Unscrambler— Rearrange the letters in “circuit”