QUADRILATERAL


Meaning of QUADRILATERAL in English

/ ˌkwɒdrɪˈlætərəl; NAmE ˌkwɑːd-/ noun

( geometry ) a flat shape with four straight sides

►  quad·ri·lat·eral adjective

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WORD ORIGIN

mid 17th cent.: from late Latin quadrilaterus (from Latin quadri- four + latus , later- side) + -al .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.