- n. 四边形;四周有建筑物围绕的方院
以上来源于:《英汉大辞典》
n.
- a four-sided geometrical figure, especially a square or rectangle.
- a square or rectangular courtyard enclosed by buildings.
Etymology
ME: from OFr., or from late L. quadrangulum ‘square’, neut. of quadrangulus, from L. quadri- ‘four’ + angulus ‘corner, angle’.
以上来源于:《简明牛津英语词典》