a line, route or journey around a place. The race ended with eight laps of a city centre circuit. The earth takes a year to make a circuit of (= go around) ...

1a line, route, or trip around a place The race ended with eight laps of a downtown circuit. The earth takes a year to make a circuit of (= go around) the ...

There are 20 meanings listed in OED's entry for the noun circuit, five of which are labelled obsolete. See 'Meaning & use' for definitions, usage, and quotation ...

noun /ˈsɜːkɪtri/ /ˈsɜːrkɪtri/ [uncountable] a system of electrical circuits or the equipment that forms this.

noun /ˈsɜːkɪt bɔːd/ /ˈsɜːrkɪt bɔːrd/ a board that holds electrical circuits inside a piece of electrical equipment.

a board that holds electrical circuits inside a piece of electrical equipment. Join us. Join our community to access the latest language learning and ...

​a circuit for electricity in a piece of electronic equipment that uses thin pieces of metal instead of wires to carry the current. Want to learn more?

a small microchip that contains a large number of electrical connections and performs the same function as a larger circuit made from separate parts.

something shaped approximately like a circle, especially a route, path, or sports track that starts and ends in the same place.

[uncountable] a type of training in sport in which different exercises are each done for a short time.