名詞 rectangle:

1. a parallelogram with four right angles

1. A gem cut in the form of a narrow rectangle.
   狹長(zhǎng)形寶石被切成細(xì)條形的寶石
2. An arrangement of five objects with one at each corner of a rectangle or square and one at the center.
   梅花形五點(diǎn)排列將五個(gè)物體分別安排在一個(gè)長(zhǎng)方形或正方形的四個(gè)邊角和一個(gè)中心里
3. Having the shape of a rectangle.
   矩形的具有矩形形狀的
4. This room is a rectangle.
   這間屋子是長(zhǎng)方形的。

rec.tan.gle

n.Abbr. rect.（名詞）縮寫(xiě) rect.
A four-sided plane figure with four right angles.
矩形，長(zhǎng)方形：具有四個(gè)邊的方形，有四個(gè)直角

來(lái)源：
French
法語(yǔ)
from Medieval Latin rôctangulum [a right triangle]
源自 中世紀(jì)拉丁語(yǔ) rôctangulum [正三角形]
from Late Latin rôctiangulum
源自 后期拉丁語(yǔ) rôctiangulum
Latin rôctus [right] * see reg-
拉丁語(yǔ) rôctus [直的] *參見(jiàn) reg-
Latin angulus [angle]
拉丁語(yǔ) angulus [角]