noun The highest surface on the skull; the crown of the head.
noun An angular point of a polygon, polyhedron or higher order polytope. The common point of the two rays that form an angle. The point at which an axis meets a curve or surface.
noun The common point of the two rays that form an angle.
noun The point at which an axis meets a curve or surface.
noun A point on the curve with a local minimum or maximum of curvature.
noun One of the elements of a graph joined or not by edges to other vertices.
noun A point in 3D space, usually given in terms of its Cartesian coordinates.