Quadrilateral
Pronunciation: /ˈkwɑˈdɑktɝˈaɪˈɫætɝəɫ/
Quadrilateral (noun)
- A flat shape with four straight sides and four angles.
- A polygon with four edges and four vertices, used in geometry.
Examples
- A square is a type of quadrilateral.
- The playground was designed in the shape of a quadrilateral.
Common collocations: regular quadrilateral, irregular quadrilateral, draw a quadrilateral, study quadrilaterals, properties of quadrilaterals