To draw a line around; encircle.
L. circumscribere "to draw a line around, confine," from → circum- + scribere "write," from PIE *skreibh-, from *sker- "to cut, incise."
sepehr-e pirâvešte, kore-ye ~, guy-e ~
Fr.: sphère circonscrite
A sphere containing a polyhedron (such as a pyramid) all of whose vertices lie on the surface of the sphere. The polyhedron so contained is said to be inscribed in the sphere.