1. Of or pertaining to eggs; done in the egg, or inception; as, oval
2. Having the figure
of an egg; oblong and curvilinear, with one end
broader than the another, or with both ends of about the same
breadth; in public usage, elliptical.
3. Broadly elliptical. A body
in the shape
of an egg, or popularly, of an ellipse.
4. 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.
Source: Websters Vocabulary