Lewis & Short

circum-curro, ĕre, v. n.,

  1. I. to run round or about (not ante-Aug.), Vitr. 4, 6: circumcurrens linea, the periphery, Quint. 1, 10, 41.
  2. * II. Trop.: eam artem (rhetoricen) circumcurrentem vocaverunt. quod in omni materiā diceret, universal, Quint. 2, 21, 7.