Quadrilateral
[,kwɒdrɪ'læt(ə)r(ə)l] or [,kwɑdrɪ'lætərəl]
解释:
(a.) Having four sides, and consequently four angles; quadrangular.
(n.) A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.
(n.) An area defended by four fortresses supporting each other; as, the Venetian quadrilateral, comprising Mantua, Peschiera, Verona, and Legnano.
埃斯特尔校对
同义词及近义词：
a. Four-sided.
杰米整理
解释:
adj. having four sides.—n. (geom.) a plane figure having four sides: the four fortresses—Mantua Verona Peschiera and Legnago—which form the points of a quadrilateral.—n. Quadrilat′eralness.
校对:贾斯廷