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say it: SUR-kuht
circuit is a noun and verb meaning "an electrical device that provides a path for electrical current to flow". It carries 8 recorded senses.
an electrical device that provides a path for electrical current to flow
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
law
movement once around a course
“he drove an extra lap just for insurance”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for circuit come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.