oval; ellipse; an oval shape

A three-dimensional geometric shape formed by rotating an ellipse around one of its axes.

A tool used for drawing ellipses

the official office of the President of the United States in the White House

a smooth, projective, algebraic curve of genus one on which there is a specified point; used in number theory and cryptography

elliptical machine used for exercise

(mathematics) an integral of a specific type involving square roots of cubic or quartic polynomials

(math.) elliptic function