Circuit

1. v. t. To travel around.
2. n. The act of moving or revolving around, or as in a circle or orbit; a revolution; as, the periodical circuit of the earth round the sun.
3. n. The circumference of, or distance round, any space; the measure of a line round an area.
4. n. That which encircles anything, as a ring or crown.
5. n. The space inclosed within a circle, or within limits.
6. n. A regular or appointed journeying from place to place in the exercise of one’s calling, as of a judge, or a preacher.
7. n. A certain division of a state or country, established by law for a judge or judges to visit, for the administration of justice.
8. n. A district in which an itinerant preacher labors.
9. n. Circumlocution.
10. v. i. To move in a circle; to go round; to circulate.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.