A geometric figure which touches only the vertices (or other extremities) of another figure.
Circumscribed
See also
Circumcenter, Circumcircle, Circuminscribed, Circumradius, Circumscribed Triangle, Cyclic Quadrilateral, InscribedExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Circumscribed." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Circumscribed.html