There are multiple definitions - click on the translation that matches your context.

巡回

名词

neolog

circuit

noun

Definitions of circuit

English

(UK) a geographical area comprising courts that are administered by travelling judges; the journey made by one of those travelling judges to a court

She then went on to defend and prosecute across the Midlands Circuit for three years.

English

the area over which a court has jurisdiction

There are twenty-two judicial circuits in the state of Illinois.