Source : Webster's Revised Unabridged Dictionary (1913)

Oval \O"val\, a. [F. ovale, fr. L. ovum egg. Cf. {Egg}, {Ovum}.]
   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. (Bot.) Broadly elliptical.

   {Oval chuck} (Mech.), 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.