名詞 quadrangle:

1. a four-sided polygon
   同義詞：quadrilateral, tetragon
2. a rectangular area surrounded on all sides by buildings
   同義詞：quad

quad.ran.gle

n.Abbr. quad.（名詞）縮寫 quad.
Mathematics A plane figure consisting of four points, no three of which are collinear, connected by straight lines.
【數(shù)學】 四邊形，四角形：由四個角組成的平面圖形，沒有任何三個點共線，通過直線相連接

A rectangular area surrounded on all four sides by buildings.
四方院，四方場地：四周有建筑物圍繞的矩形空地
The buildings bordering this area.
四方院周圍的建筑物
The area of land shown on one atlas sheet charted by the U.S. Geological Survey.
標準地形圖上的一方格：由美國地理測繪局發(fā)行的地圖冊上標出的一塊陸地

來源：
Middle English
中古英語
from Old French
源自 古法語
from Late Latin quadrangulum
源自 后期拉丁語 quadrangulum
from Latin [neuter of] quadrangulus [four-cornered]
源自 拉丁語 [] quadrangulus的中性 [四角的]
quadri- [quadri-]
quadri- [表示.四.]
angulus [angle]
angulus [角]

【引伸】
quadran.gular
quadran.gularly
adv.（副詞）
quadran.gularness
n.（名詞）