1. [noun] The act of moving or revolving around, or as in a circle or orbit; a revolution; as, the periodical circuit of the earth around the sun.
2. [noun] The circumference of, or distance around, any space; the measure of a line around an area.
3. [noun] That which encircles anything, as a ring or crown.
4. [noun] The space enclosed within a circle, or within limits.
5. [noun] (electricity) Enclosed path of an electric current, usually designed for a certain function.
6. [noun] A regular or appointed journeying from place to place in the exercise of one's calling, as of a judge, or a preacher.
7. [noun] (legal) A certain division of a state or country, established by law for a judge or judges to visit, for the administration of justice.
8. [noun] (legal) Abbreviation of circuit court.
9. [noun] (Methodist Church) A district in which an itinerant preacher labors.
10. [noun] By analogy to the proceeding three, a set of theaters among which the same acts circulate; especially common in the heyday of vaudeville.
11. [noun] (obsolete) circumlocution
12. [verb] (intransitive) (obsolete) To move in a circle; to go round; to circulate.
13. [verb] (obsolete) To travel around.
14. [noun] An electrical device that provides a path for electrical current to flow.
15. [noun] A journey or route all the way around a particular place or area; 'they took an extended tour of Europe'; 'we took a quick circuit of the park'; 'a ten-day coach circuit of the island'.
16. [noun] 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'.
17. [noun] 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'.
18. [noun] (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.
19. [noun] A racetrack for automobile races.
20. [noun] Movement once around a course; 'he drove an extra lap just for insurance'.
21. [verb] Make a circuit; 'They were circuiting about the state'.
