The term 'OVAL' is used to describe a variety of shapes. OVATE is a five-letter word that describes an egg-shaped object, while OVOID is also a five-letter word that describes an egg-shaped object with a flat base. ARENA is a five-letter word that describes a large, oval-shaped structure, such as a stadium or amphitheater. ELLIPTICAL is a ten-letter word that describes a shape that is similar to an oval but with two foci points. ELLIPSE is a seven-letter word that describes a shape that is similar to an oval but with one focus point. OFFICE is a six-letter word that describes a room or building where people work, which is often oval-shaped. ELLIPTIC is an eight-letter word that describes a shape that is similar to an oval but with two foci points and two straight lines.