1

circuit

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

Definition of circuit

1 a :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 a :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 a :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 a :the complete path of an electric current including usually the source of electric energy
b :an assemblage of electronic elements :hookup
c :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 a :an association of similar groups :league
b :a number or series of public outlets (such 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.

Recent Examples of circuit from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'circuit.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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


2

circuit

verb

Definition of circuit

transitive verb
:to make a circuit about
  • a route that circuits the Back Bay section of the city
intransitive verb
: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

Recent Examples of circuit from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'circuit.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of circuit


CIRCUIT Defined for English Language Learners

circuit

noun

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

noun cir·cuit \ ˈsər-kət \

Definition of circuit for Students

1 :a boundary line around an area
2 :an enclosed space
3 :movement around something
  • The earth makes a circuit around the sun.
4 :a regular tour of service (as by a judge) around an assigned territory :a course so traveled
5 :a series of performances, competitions, or appearances held at many different places
  • the pro tennis circuit
6 :the complete path of an electric current
7 :a group of electronic parts

Medical Dictionary

circuit

noun cir·cuit \ ˈsər-kət \

medical Definition of circuit

1 :the complete path of an electric current including usually the source of electric energy
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 FisherThe Wall Street Journal13 Feb. 2004

Law Dictionary

circuit

noun cir·cuit

legal Definition of circuit

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