quadrilateral
- n a four-sided polygon
- s having four sides
- Foucault saw pro football as the quintessential mutation of the Classical quadrilateral of language into the Modern anthropological quadrilateral.
- Sawyer and Juliet are the most complete and responsible of the romantic quadrilateral, and I'm really dreading the romantic upheaval of bringing Kate and Jack back into the mix.
- They learn the Latin root later, or side, and construct such English words as bilateral and quadrilateral.