circuit UK /ˈsɜː.kɪt/US /ˈsɝ.kɪt/noun 20verb 2forms 3phrases 1 noun20 •The act of moving or revolving around, or as in a circle or orbit; a revolutionIn the future, he says, a focus on the hate circuit may open new avenues for treatment – including new drugs and psychotherapies – that target this and other specific circuits in the brain. — 2011 •a set of connected parts that electricity travels around and back to where it started, as in the lights of a home or inside a phone, often made to do one job •A track on which a race is held; a racetrack •A closed trail. •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. •The basic grouping of local Methodist churches. •(historical) Various administrative divisions of imperial and early Republican China. •(historical) The counties at the fringes of the empire, usually with a non-Chinese population, from the Han to the Western Jin. •(historical) The 10 or so major provinces of the empire from the Tang to the early Yuan. •(historical) Major provincial divisions from the Yuan to early Republican China. •Abbreviation of circuit court. •A single completion of all of the exercises in a circuit training regime. •A set of theaters among which the same acts circulate; especially common in the heyday of vaudeville. •A chain of cinemas/movie theaters.It again featured Edgar Simmons (the architect and chairman), John Ray (the builder), L. E. Agar (managing director) and J. G. Wainwright (head of a separate circuit of cinemas). — 2002 •The circumference of, or distance around, any space; the measure of a line around an area. •The space enclosed within a circle, or within limits.A circuit wide enclosed with goodliest trees. — 1667 •That which encircles anything, as a ring or crown.And this fell tempest shall not cease to rage Until the golden circuit on my head, Like to the glorious sun's transparent beams, Do calm the fury of this mad-bred flaw. — 1590 •A thought that unconsciously goes round and round in a person's mind and controls that person. •(no longer used) circumlocutioncircuite of words. — 1572 verb2 •(no longer used) To move in a circle; to go round; to circulate.perpetual Motion keep, / Quick circuiting ; nor dare they close their Eyes — 1708 •(no longer used) To travel around.Having circuited the air. formscircuited · circuiting · circuits Phrases with circuit circuit sluggerA talented baseball batter who hits home runs.