CIRCUIT Copy link • CIRCUITcompass, ambitus (with reference to expansion in general; e.g., caeli ac terrarum; of the camp, castrorum): circuitus (with reference to circumference): circumscriptio (e.g., of the earth, terrae): complexus (with reference to the space encompassed; e. e., caeli, mundi, etc). The moon completes her circuit round the earth in a month, orbis lustrationem luna menstruo cursu complet. Of a judge, e.g., to go on the circicit, jure dicundo conventus circumire: circa fora proficisci ibique quaerere et judicia exercere: provinciam obire (of a Roman praetor, etc., Cic.).