- a figure formed by four straight lines that have six points of intersection.
- a polygon with four sides.
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OTHER WORDS FROM quadrilateralquad·ri·lat·er·al·ly, adverbquad·ri·lat·er·al·ness, noun
Words nearby quadrilateral
Example sentences from the Web for quadrilateral
It is quadrilateral in shape, consisting of four unequal sides flanked by towers and built round a courtyard.
The link pulled as above described, must assume the quadrilateral form shown in fig. 217.A Dictionary of Arts, Manufactures and Mines|Andrew Ure
A quadrilateral is a plane figure having four sides and four angles.The Century Handbook of Writing|Garland Greever
The ancient Irish had quadrilateral houses built of logs, and round houses of clay and wattles.
The first stage or platform is at the height of 189 feet, and forms a quadrilateral 213 feet square, fitted up as a restaurant.The New Gresham Encyclopedia|Various