"four-sided," 1640s, with -al (1) + Latin quadrilaterus, from quadri- "four" (see quadri-) + latus (genitive lateris) "side" (see oblate (n.)). As an adjective from 1650s. Related: Quadrilaterally.
雙語例句
1. A trapezoid is a quadrilateral with two parallel sides.
梯形是具有兩平行邊的四邊形.
來自辭典例句
2. A new mesh auto - generation algorithm of arbitrary quadrilateral is presented.