An oval is a geometric shape that is similar to an egg or an ellipse. An oval is a geometric shape that looks similar to an egg or an ellipse. The term is not very specific as there are many curves that are said to have an oval shape. The term ‘oval’ came from the Latin word ovum meaning ‘egg’. The 3-dimensional version of an oval is called an ovoid. The terms ‘ellipse’ and ‘oblong’ are often used interchangeably with oval, despite not being precise synonyms.