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

: 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

Full Definition of CIRCUIT

a :  a usually circular line encompassing an area
b :  the space enclosed within such a line
a :  a course around a periphery
b :  a circuitous or indirect route
a :  a regular tour (as by a traveling judge or preacher) around an assigned district or territory
b :  the route traveled
c :  a group of church congregations ministered to by one pastor
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
a :  an association of similar groups :  league
b :  a number or series of public outlets (as theaters, radio shows, or arenas) offering the same kind of presentation
c :  a number of similar social gatherings <the cocktail circuit>
cir·cuit·al \-kə-təl\ adjective

Examples of CIRCUIT

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

Origin of CIRCUIT

Middle English, from Middle French & Latin; Middle French circuite, from Latin circuitus, from circumire, circuire to go around, from circum- + ire to go — more at issue
First Known Use: 14th century



Definition of CIRCUIT

transitive verb
:  to make a circuit about
intransitive verb
:  to make a circuit

Examples of CIRCUIT

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

First Known Use of CIRCUIT

15th century
CIRCUIT Defined for Kids


noun cir·cuit \ˈsər-kət\

Definition of CIRCUIT for Kids

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


noun cir·cuit \ˈsər-kət\

Medical Definition of CIRCUIT

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