(1):

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

(2):

(a.) 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):

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

(4):

(a.) Broadly elliptical.