1. To draw a line around.
2. To draw a geometric figure around another figure so that the two are in contact but do not intersect.
3. Enclose; limit.
4. In geometry, to surround a figure with a circle which passes through all the vertices of the figure. Any triangle may be circumscribed and so may any regular polygon. Only certain quadrilaterals may be circumscribed (their opposite angles must add up to 180ş.