Oval — Defs

01 a. Of or pertaining to eggs; done in the egg, or inception; as, oval conceptions.

1.
Of or pertaining to eggs; done in the egg, or inception; as, oval conceptions.[Obs.]
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.(Bot.)

Phrases & compounds

Oval chuck — a lathe chuck so constructed that work attached to it, and cut by the turning tool in the usual manner, becomes of an oval form.

02 n. A body or figure in the shape of an egg, or popularly, of an ellipse.

1.
A body or figure in the shape of an egg, or popularly, of an ellipse.

Phrases & compounds

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, in the diagram, if P moves so that P A.P B is constant, the point P describes a Cassinian oval. The locus may consist of a single closed line, as shown by the dotted line, or of two equal ovals about the points A and B.