ellipse

/ɪˈlɪps/
noun
  1. A shape like a flattened circle, longer in one direction than the other.
    • The orbit of Earth around the sun is an ellipse, not a perfect circle.
    • The mirror was cut into an ellipse to fit the decorative frame.
    • She drew an ellipse on the board to show the shape of the racetrack.
Synonyms
What does "ellipse" mean? | whatsthatwordmean | whatsthatwordmean