polygon : Idioms & Phrases

• noun a polygon such that there is a straight line that cuts it in four or more points
  

WordNet

• noun a polygon such that no side extended cuts any other side or vertex; it can be cut by a straight line in at most two points
  

WordNet

• (Mech.), the polygonal figure assumed by a cord fastened at its extremities, and sustaining weights at different points.

Webster 1913

• (Mech.), a polygonal figure, the sides of which, taken successively, represent, in length and direction, several forces acting simultaneously upon one point, so that the side necessary to complete the figure represents the resultant of those forces. Cf. Parallelogram of forces, under Parallelogram.

Webster 1913

• noun a polygon with one or more reentrant angles
  reentering polygon.
  

WordNet

• noun a polygon with one or more reentrant angles
  reentering polygon.
  

WordNet

• noun a polygon with all sides and all angles equal
  

WordNet

• (Geom.), a plane polygon which is both equilateral and equiangular.

Webster 1913

• a polygon having one or more reëntering angles.

Webster 1913

• (Geom.), a polygon all of whose angles are salient.

Webster 1913

• noun a figure on the surface of a sphere bounded by arcs of 3 or more great circles
  

WordNet

• portion of the surface of a sphere bounded by the arcs of three or more great circles.

Webster 1913

• (Geom.), a polygon whose sides cut each other so as to form a star-shaped figure.

Webster 1913