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.
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.