English version

quadrilateral in Maths topic

From Longman Dictionary of Contemporary Englishquadrilateralquad‧ri‧lat‧er‧al /ˌkwɒdrəˈlætərəl◂ $ ˌkwɑː-/ noun [countable] technical  HMCFa flat shape with four straight sidesquadrilateral adjective
Examples from the Corpus
quadrilateralFor emotional resonance, flags are about as potent as a quadrilateral of cloth can be.The cyclic quadrilateral so formed has an important property; its opposite angles add to 180°.The cluster is made up of a small quadrilateral which is distinctive enough, and is very characteristic with × 20.