Elliptical/ɪˈlɪptɪkl/ Definition 1 of 3Pro Tip 1/3Visualize Shape Imagine an elongated circle to picture something elliptical; it's not perfectly round. The track field was elliptical, wider in its middle. Pro Tip 2/3Astronomy Context In space terms, elliptical refers to orbits; planets move in an elongated circular path. The comet followed an elliptical path around the sun. Pro Tip 3/3Not Always Symmetrical Elliptical shapes can vary; they aren't always symmetrical like ovals. We noticed the elliptical pattern on the vase had slightly uneven sides.