circuit

The act of moving or revolving around, or as in a circle or orbit; a revolution

The circumference of, or distance around, any space; the measure of a line around an area.

That which encircles anything, as a ring or crown.

The space enclosed within a circle, or within limits.

Enclosed path of an electric current, usually designed for a certain function.

A regular or appointed trip from place to place as part of one's job

The jurisdiction of certain judges within a state or country, whether itinerant or not.

Various administrative divisions of imperial and early Republican China, including:

Methodism: The basic grouping of local Methodist churches.

By analogy to the proceeding three, a set of theaters among which the same acts circulate; especially common in the heyday of vaudeville.

A track on which a race in held; a racetrack

Circumlocution

A thought that unconsciously goes round and round in a person's mind and controls that person.

A closed path, without repeated vertices allowed