1

circuit

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noun, often attributive cir·cuit \ˈsər-kət\

Definition of circuit

  1. 1a :  a usually circular line encompassing an area <a swamp about 10 miles in circuit>b :  the space enclosed within such a line <the circuit of the duke's land>

  2. 2a :  a course around a periphery <the periodic circuit of the Earth around the Sun>b :  a circuitous or indirect route <The damaged bridge forced him to take a long circuit to his destination.>

  3. 3a :  a regular tour (as by a traveling judge or preacher) around an assigned district or territory <The preacher ministered to each congregation in his circuit.>b :  the route traveled <His circuit took him to many towns in the county.>c :  a group of church congregations ministered to by one pastor

  4. 4a :  the complete path of an electric current including usually the source of electric energyb :  an assemblage of electronic elements :  hookupc :  a two-way communication path between points (as in a computer)d :  a neuronal pathway of the brain along which electrical and chemical signals travel

  5. 5a :  an association of similar groups :  leagueb :  a number or series of public outlets (as theaters, radio shows, or arenas) offering the same kind of presentation <He loved competing on the rodeo circuit.> <She rose through the theater circuit to become a big-time entertainer.>c :  a number of similar social gatherings <the cocktail circuit>

circuital

play \-kə-təl\ adjective

Examples of circuit in a sentence

  1. It takes a year for the Earth to make one circuit around the sun.

Origin and Etymology of circuit

Middle English, from Medieval French & Latin; Medieval French circuite, from Latin circuitus, from circumire, circuire to go around, from circum- + ire to go — more at issue


First Known Use: 14th century


2

circuit

verb cir·cuit

Definition of circuit

  1. transitive verb
  2. :  to make a circuit about <a route that circuits the Back Bay section of the city>

  3. intransitive verb
  4. :  to make a circuit <Potential buyers circuited around the boatyard.>

Examples of circuit in a sentence

  1. <after circuiting the exterior of the church, the procession headed inside>

Origin and Etymology of circuit

see 1circuit


First Known Use: 15th century


CIRCUIT Defined for English Language Learners

1

circuit

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noun, often attributive cir·cuit \ˈsər-kət\

Definition of circuit for English Language Learners

  • : a series of performances, sports events, lectures, etc., that are held or done at many different places

  • : a path or trip around something

  • : the complete path that an electric current travels along


CIRCUIT Defined for Kids

circuit

play
noun cir·cuit \ˈsər-kət\

Definition of circuit for Students

  1. 1 :  a boundary line around an area

  2. 2 :  an enclosed space

  3. 3 :  movement around something <The earth makes a circuit around the sun.>

  4. 4 :  a regular tour of service (as by a judge) around an assigned territory :  a course so traveled

  5. 5 :  a series of performances, competitions, or appearances held at many different places <the pro tennis circuit>

  6. 6 :  the complete path of an electric current

  7. 7 :  a group of electronic parts


Medical Dictionary

circuit

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noun cir·cuit \ˈsər-kət\

Medical Definition of circuit

  1. 1:  the complete path of an electric current including usually the source of electric energy

  2. 2:  a neuronal pathway of the brain along which electrical and chemical signals travel <… the neurons in this brain circuit communicate using the chemical messenger dopamine.—Helen Fisher, The Wall Street Journal, 13 Feb. 2004>


Law Dictionary

circuit

noun cir·cuit

Legal Definition of circuit

  1. 1a :  a route formerly taken by traveling judges b :  a district established within a state or the federal judicial system

  2. 2 capitalized :  the court of appeals for a circuit in the federal judicial system <after the 9th Circuit's ruling — V. M. Sher>



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