ETYM French circuit, from Latin circuitus, from circuire or circumire to go around; circum around + ire to go.
1. A usually circular line encompassing an area.
2. The space enclosed within such a line.
3. A course around a periphery.
4. A circuitous or indirect route.
5. A regular tour (as by a traveling judge or preacher) around an assigned district or territory.
6. the route traveled.
7. A group of church congregations ministered to by one pastor.