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.
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.