Curved or bowed outward like the outside of a bowl, circle, or sphere.
arranged such that for any two points in the set, a straight line between the two points is contained within the set.
having no internal angles greater than 180 degrees.
having an epigraph that is a convex set.
A playing card made convex for use in cheating.
A small convex mirror used to cheat by observing other players' cards.
Any convex body or surface.
Having the shape of an oval.
Of or pertaining to an ovum.
A thing having such a shape, such as an arena.
In a projective plane, a set of points such that no three are collinear and there is a unique tangent line at each point.
An elongated round shape resembling an egg or ellipse.
A sports field, typically but not exclusively oval in shape.