noun
An elongated round shape resembling an egg or ellipse.
A thing having such a shape, such as an arena.
(Australia) A sports field, typically but not exclusively oval in shape.
(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.
adjective
Having the shape of an oval.
Of or pertaining to an ovum.