Pronunciation: (sûr'kum-skrīb", sûr"kum-skrīb'),[key] —v.t.,-scribed, -scrib•ing. 1. to draw a line around; encircle: to circumscribe a city on a map. 2. to enclose within bounds; limit or confine, esp. narrowly: Her social activities are circumscribed by school regulations. 3. to mark off; define; delimit: to circumscribe the area of a science. 4. Geom. a. to draw (a figure) around another figure so as to touch as many points as possible.
b. (of a figure) to enclose (another figure) in this manner.