Oblate spheroid

Diagram of an oblate spheroid

An oblate spheroid is a shape like a sphere, but the distance from pole to pole is less than the distance around the equator. It is flatter than a true sphere. Skittles candies are examples of oblate spheroids. Go stones are another example. Oblate spheroids are a rotationally symmetric.

Many planets, including the Earth and Saturn, are oblate spheroids.

Go stones