Definition of "oval"

An elongated round shape resembling an egg or ellipse.  examples

A thing having such a shape, such as an arena.  examples

(mathematics) In a projective plane, a set of points such that no three are collinear and there is a unique tangent line at each point.  examples

(Australia) A sports field, typically but not exclusively oval in shape.  examples

Having the shape of an oval.  examples

Of or pertaining to an ovum.  quotations  examples