1. Of or pertaining to eggs; done in the egg, or inception; as, oval conceptions.
2. Having the figure of an egg; oblong and curvilinear, with one end broader than the other, or with both ends of about the same breadth; in popular usage, elliptical.
3. Broadly elliptical. A body or figure in the shape of an egg, or popularly, of an ellipse.
4. (Science: geometry) Cassinian oval, the locus of a point the product of whose distances from two fixed points is constant; so called from Cassini, who first investigated the curve. Thus, the locus may consist of a single closed line, or of two equal ovals about points A and B.
Origin: F. Ovale, fr. L. Ovum egg.