The term 'Hippodrome Shape' refers to an OVAL shape, which is a four-letter word. An OVAL is a closed curve in a plane that is symmetrical about its major axis, with the two ends of the major axis being different. It is a type of ellipse, which is a curved line that forms a closed loop. The term 'hippodrome shape' is often used to describe the shape of a racetrack, such as those used for horse racing.