Definitions
1.nounAn elongated round shape resembling an egg or ellipse.
2.nounA thing having such a shape, such as an arena.
3.nounIn a projective plane, a set of points such that no three are collinear and there is a unique tangent line at each point.
4.adjectiveHaving the shape of an oval.
5.adjectiveOf or pertaining to an ovum."oval conceptions"