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English definition of “circuit”

circuit

noun [C]     /ˈsɜːkɪt/
TRACK a path, route, or sports track that is shaped like a circleSurfaces on which sports take place
ELECTRIC a complete circle that an electric current travels aroundElectrical components and circuitry
EVENTS a regular series of places or events that people involved in a particular activity go to: [usually singular] the tennis circuit → See also short-circuitOrder and sequenceSimultaneous and consecutive
(Definition of circuit noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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