rectangle

名词 rectangle:

1. a parallelogram with four right angles

1. A gem cut in the form of a narrow rectangle.
   狭长形宝石被切成细条形的宝石
2. An arrangement of five objects with one at each corner of a rectangle or square and one at the center.
   梅花形五点排列将五个物体分别安排在一个长方形或正方形的四个边角和一个中心里
3. Having the shape of a rectangle.
   矩形的具有矩形形状的
4. This room is a rectangle.
   这间屋子是长方形的。

rec.tan.gle

n.Abbr. rect.（名词）缩写 rect.
A four-sided plane figure with four right angles.
矩形，长方形：具有四个边的方形，有四个直角

来源：
French
法语
from Medieval Latin rôctangulum [a right triangle]
源自 中世纪拉丁语 rôctangulum [正三角形]
from Late Latin rôctiangulum
源自 后期拉丁语 rôctiangulum
Latin rôctus [right] * see reg-
拉丁语 rôctus [直的] *参见 reg-
Latin angulus [angle]
拉丁语 angulus [角]