quadrilateral
/ˌkwɑːdrəˈlætərəl/
noun
- A flat shape with four straight sides and four angles.
- The students learned to calculate the area of any quadrilateral by dividing it into triangles.
- The garden was designed as an irregular quadrilateral with paths along each side.
- A square is a type of quadrilateral where all sides are equal.
adjective
- Having four sides.
- The quadrilateral plot of land was perfect for building a small house.
- Ancient Egyptians used quadrilateral shapes in their architectural plans.
- The artist sketched a quadrilateral frame for the painting.