Definition from Wiktionary, the free dictionary
- To draw a line around; to encircle.
- To limit narrowly; to restrict.
- (geometry) To draw the smallest circle or higher-dimensional sphere that has (a polyhedron, polygon, etc.) in its interior.
Derived terms 
Related terms 
to draw a line around; encircle
to limit narrowly; restrict
to draw a circle, sphere, or higher-dimensional ball
- second-person singular present active imperative of circumscrībō